Problem:
 +(0(),0()) -> 0()
 +(0(),1()) -> 1()
 +(0(),2()) -> 2()
 +(0(),3()) -> 3()
 +(0(),4()) -> 4()
 +(0(),5()) -> 5()
 +(0(),6()) -> 6()
 +(0(),7()) -> 7()
 +(0(),8()) -> 8()
 +(0(),9()) -> 9()
 +(1(),0()) -> 1()
 +(1(),1()) -> 2()
 +(1(),2()) -> 3()
 +(1(),3()) -> 4()
 +(1(),4()) -> 5()
 +(1(),5()) -> 6()
 +(1(),6()) -> 7()
 +(1(),7()) -> 8()
 +(1(),8()) -> 9()
 +(1(),9()) -> c(1(),0())
 +(2(),0()) -> 2()
 +(2(),1()) -> 3()
 +(2(),2()) -> 4()
 +(2(),3()) -> 5()
 +(2(),4()) -> 6()
 +(2(),5()) -> 7()
 +(2(),6()) -> 8()
 +(2(),7()) -> 9()
 +(2(),8()) -> c(1(),0())
 +(2(),9()) -> c(1(),1())
 +(3(),0()) -> 3()
 +(3(),1()) -> 4()
 +(3(),2()) -> 5()
 +(3(),3()) -> 6()
 +(3(),4()) -> 7()
 +(3(),5()) -> 8()
 +(3(),6()) -> 9()
 +(3(),7()) -> c(1(),0())
 +(3(),8()) -> c(1(),1())
 +(3(),9()) -> c(1(),2())
 +(4(),0()) -> 4()
 +(4(),1()) -> 5()
 +(4(),2()) -> 6()
 +(4(),3()) -> 7()
 +(4(),4()) -> 8()
 +(4(),5()) -> 9()
 +(4(),6()) -> c(1(),0())
 +(4(),7()) -> c(1(),1())
 +(4(),8()) -> c(1(),2())
 +(4(),9()) -> c(1(),3())
 +(5(),0()) -> 5()
 +(5(),1()) -> 6()
 +(5(),2()) -> 7()
 +(5(),3()) -> 8()
 +(5(),4()) -> 9()
 +(5(),5()) -> c(1(),0())
 +(5(),6()) -> c(1(),1())
 +(5(),7()) -> c(1(),2())
 +(5(),8()) -> c(1(),3())
 +(5(),9()) -> c(1(),4())
 +(6(),0()) -> 6()
 +(6(),1()) -> 7()
 +(6(),2()) -> 8()
 +(6(),3()) -> 9()
 +(6(),4()) -> c(1(),0())
 +(6(),5()) -> c(1(),1())
 +(6(),6()) -> c(1(),2())
 +(6(),7()) -> c(1(),3())
 +(6(),8()) -> c(1(),4())
 +(6(),9()) -> c(1(),5())
 +(7(),0()) -> 7()
 +(7(),1()) -> 8()
 +(7(),2()) -> 9()
 +(7(),3()) -> c(1(),0())
 +(7(),4()) -> c(1(),1())
 +(7(),5()) -> c(1(),2())
 +(7(),6()) -> c(1(),3())
 +(7(),7()) -> c(1(),4())
 +(7(),8()) -> c(1(),5())
 +(7(),9()) -> c(1(),6())
 +(8(),0()) -> 8()
 +(8(),1()) -> 9()
 +(8(),2()) -> c(1(),0())
 +(8(),3()) -> c(1(),1())
 +(8(),4()) -> c(1(),2())
 +(8(),5()) -> c(1(),3())
 +(8(),6()) -> c(1(),4())
 +(8(),7()) -> c(1(),5())
 +(8(),8()) -> c(1(),6())
 +(8(),9()) -> c(1(),7())
 +(9(),0()) -> 9()
 +(9(),1()) -> c(1(),0())
 +(9(),2()) -> c(1(),1())
 +(9(),3()) -> c(1(),2())
 +(9(),4()) -> c(1(),3())
 +(9(),5()) -> c(1(),4())
 +(9(),6()) -> c(1(),5())
 +(9(),7()) -> c(1(),6())
 +(9(),8()) -> c(1(),7())
 +(9(),9()) -> c(1(),8())
 +(x,c(y,z)) -> c(y,+(x,z))
 +(c(x,y),z) -> c(x,+(y,z))
 c(0(),x) -> x
 c(x,c(y,z)) -> c(+(x,y),z)

Proof:
 Complexity Transformation Processor:
  strict:
   +(0(),0()) -> 0()
   +(0(),1()) -> 1()
   +(0(),2()) -> 2()
   +(0(),3()) -> 3()
   +(0(),4()) -> 4()
   +(0(),5()) -> 5()
   +(0(),6()) -> 6()
   +(0(),7()) -> 7()
   +(0(),8()) -> 8()
   +(0(),9()) -> 9()
   +(1(),0()) -> 1()
   +(1(),1()) -> 2()
   +(1(),2()) -> 3()
   +(1(),3()) -> 4()
   +(1(),4()) -> 5()
   +(1(),5()) -> 6()
   +(1(),6()) -> 7()
   +(1(),7()) -> 8()
   +(1(),8()) -> 9()
   +(1(),9()) -> c(1(),0())
   +(2(),0()) -> 2()
   +(2(),1()) -> 3()
   +(2(),2()) -> 4()
   +(2(),3()) -> 5()
   +(2(),4()) -> 6()
   +(2(),5()) -> 7()
   +(2(),6()) -> 8()
   +(2(),7()) -> 9()
   +(2(),8()) -> c(1(),0())
   +(2(),9()) -> c(1(),1())
   +(3(),0()) -> 3()
   +(3(),1()) -> 4()
   +(3(),2()) -> 5()
   +(3(),3()) -> 6()
   +(3(),4()) -> 7()
   +(3(),5()) -> 8()
   +(3(),6()) -> 9()
   +(3(),7()) -> c(1(),0())
   +(3(),8()) -> c(1(),1())
   +(3(),9()) -> c(1(),2())
   +(4(),0()) -> 4()
   +(4(),1()) -> 5()
   +(4(),2()) -> 6()
   +(4(),3()) -> 7()
   +(4(),4()) -> 8()
   +(4(),5()) -> 9()
   +(4(),6()) -> c(1(),0())
   +(4(),7()) -> c(1(),1())
   +(4(),8()) -> c(1(),2())
   +(4(),9()) -> c(1(),3())
   +(5(),0()) -> 5()
   +(5(),1()) -> 6()
   +(5(),2()) -> 7()
   +(5(),3()) -> 8()
   +(5(),4()) -> 9()
   +(5(),5()) -> c(1(),0())
   +(5(),6()) -> c(1(),1())
   +(5(),7()) -> c(1(),2())
   +(5(),8()) -> c(1(),3())
   +(5(),9()) -> c(1(),4())
   +(6(),0()) -> 6()
   +(6(),1()) -> 7()
   +(6(),2()) -> 8()
   +(6(),3()) -> 9()
   +(6(),4()) -> c(1(),0())
   +(6(),5()) -> c(1(),1())
   +(6(),6()) -> c(1(),2())
   +(6(),7()) -> c(1(),3())
   +(6(),8()) -> c(1(),4())
   +(6(),9()) -> c(1(),5())
   +(7(),0()) -> 7()
   +(7(),1()) -> 8()
   +(7(),2()) -> 9()
   +(7(),3()) -> c(1(),0())
   +(7(),4()) -> c(1(),1())
   +(7(),5()) -> c(1(),2())
   +(7(),6()) -> c(1(),3())
   +(7(),7()) -> c(1(),4())
   +(7(),8()) -> c(1(),5())
   +(7(),9()) -> c(1(),6())
   +(8(),0()) -> 8()
   +(8(),1()) -> 9()
   +(8(),2()) -> c(1(),0())
   +(8(),3()) -> c(1(),1())
   +(8(),4()) -> c(1(),2())
   +(8(),5()) -> c(1(),3())
   +(8(),6()) -> c(1(),4())
   +(8(),7()) -> c(1(),5())
   +(8(),8()) -> c(1(),6())
   +(8(),9()) -> c(1(),7())
   +(9(),0()) -> 9()
   +(9(),1()) -> c(1(),0())
   +(9(),2()) -> c(1(),1())
   +(9(),3()) -> c(1(),2())
   +(9(),4()) -> c(1(),3())
   +(9(),5()) -> c(1(),4())
   +(9(),6()) -> c(1(),5())
   +(9(),7()) -> c(1(),6())
   +(9(),8()) -> c(1(),7())
   +(9(),9()) -> c(1(),8())
   +(x,c(y,z)) -> c(y,+(x,z))
   +(c(x,y),z) -> c(x,+(y,z))
   c(0(),x) -> x
   c(x,c(y,z)) -> c(+(x,y),z)
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   max_matrix:
    1
    interpretation:
     [c](x0, x1) = x0 + x1 + 12,
     
     [9] = 12,
     
     [8] = 1,
     
     [7] = 3,
     
     [6] = 3,
     
     [5] = 8,
     
     [4] = 1,
     
     [3] = 3,
     
     [2] = 10,
     
     [1] = 6,
     
     [+](x0, x1) = x0 + x1 + 4,
     
     [0] = 1
    orientation:
     +(0(),0()) = 6 >= 1 = 0()
     
     +(0(),1()) = 11 >= 6 = 1()
     
     +(0(),2()) = 15 >= 10 = 2()
     
     +(0(),3()) = 8 >= 3 = 3()
     
     +(0(),4()) = 6 >= 1 = 4()
     
     +(0(),5()) = 13 >= 8 = 5()
     
     +(0(),6()) = 8 >= 3 = 6()
     
     +(0(),7()) = 8 >= 3 = 7()
     
     +(0(),8()) = 6 >= 1 = 8()
     
     +(0(),9()) = 17 >= 12 = 9()
     
     +(1(),0()) = 11 >= 6 = 1()
     
     +(1(),1()) = 16 >= 10 = 2()
     
     +(1(),2()) = 20 >= 3 = 3()
     
     +(1(),3()) = 13 >= 1 = 4()
     
     +(1(),4()) = 11 >= 8 = 5()
     
     +(1(),5()) = 18 >= 3 = 6()
     
     +(1(),6()) = 13 >= 3 = 7()
     
     +(1(),7()) = 13 >= 1 = 8()
     
     +(1(),8()) = 11 >= 12 = 9()
     
     +(1(),9()) = 22 >= 19 = c(1(),0())
     
     +(2(),0()) = 15 >= 10 = 2()
     
     +(2(),1()) = 20 >= 3 = 3()
     
     +(2(),2()) = 24 >= 1 = 4()
     
     +(2(),3()) = 17 >= 8 = 5()
     
     +(2(),4()) = 15 >= 3 = 6()
     
     +(2(),5()) = 22 >= 3 = 7()
     
     +(2(),6()) = 17 >= 1 = 8()
     
     +(2(),7()) = 17 >= 12 = 9()
     
     +(2(),8()) = 15 >= 19 = c(1(),0())
     
     +(2(),9()) = 26 >= 24 = c(1(),1())
     
     +(3(),0()) = 8 >= 3 = 3()
     
     +(3(),1()) = 13 >= 1 = 4()
     
     +(3(),2()) = 17 >= 8 = 5()
     
     +(3(),3()) = 10 >= 3 = 6()
     
     +(3(),4()) = 8 >= 3 = 7()
     
     +(3(),5()) = 15 >= 1 = 8()
     
     +(3(),6()) = 10 >= 12 = 9()
     
     +(3(),7()) = 10 >= 19 = c(1(),0())
     
     +(3(),8()) = 8 >= 24 = c(1(),1())
     
     +(3(),9()) = 19 >= 28 = c(1(),2())
     
     +(4(),0()) = 6 >= 1 = 4()
     
     +(4(),1()) = 11 >= 8 = 5()
     
     +(4(),2()) = 15 >= 3 = 6()
     
     +(4(),3()) = 8 >= 3 = 7()
     
     +(4(),4()) = 6 >= 1 = 8()
     
     +(4(),5()) = 13 >= 12 = 9()
     
     +(4(),6()) = 8 >= 19 = c(1(),0())
     
     +(4(),7()) = 8 >= 24 = c(1(),1())
     
     +(4(),8()) = 6 >= 28 = c(1(),2())
     
     +(4(),9()) = 17 >= 21 = c(1(),3())
     
     +(5(),0()) = 13 >= 8 = 5()
     
     +(5(),1()) = 18 >= 3 = 6()
     
     +(5(),2()) = 22 >= 3 = 7()
     
     +(5(),3()) = 15 >= 1 = 8()
     
     +(5(),4()) = 13 >= 12 = 9()
     
     +(5(),5()) = 20 >= 19 = c(1(),0())
     
     +(5(),6()) = 15 >= 24 = c(1(),1())
     
     +(5(),7()) = 15 >= 28 = c(1(),2())
     
     +(5(),8()) = 13 >= 21 = c(1(),3())
     
     +(5(),9()) = 24 >= 19 = c(1(),4())
     
     +(6(),0()) = 8 >= 3 = 6()
     
     +(6(),1()) = 13 >= 3 = 7()
     
     +(6(),2()) = 17 >= 1 = 8()
     
     +(6(),3()) = 10 >= 12 = 9()
     
     +(6(),4()) = 8 >= 19 = c(1(),0())
     
     +(6(),5()) = 15 >= 24 = c(1(),1())
     
     +(6(),6()) = 10 >= 28 = c(1(),2())
     
     +(6(),7()) = 10 >= 21 = c(1(),3())
     
     +(6(),8()) = 8 >= 19 = c(1(),4())
     
     +(6(),9()) = 19 >= 26 = c(1(),5())
     
     +(7(),0()) = 8 >= 3 = 7()
     
     +(7(),1()) = 13 >= 1 = 8()
     
     +(7(),2()) = 17 >= 12 = 9()
     
     +(7(),3()) = 10 >= 19 = c(1(),0())
     
     +(7(),4()) = 8 >= 24 = c(1(),1())
     
     +(7(),5()) = 15 >= 28 = c(1(),2())
     
     +(7(),6()) = 10 >= 21 = c(1(),3())
     
     +(7(),7()) = 10 >= 19 = c(1(),4())
     
     +(7(),8()) = 8 >= 26 = c(1(),5())
     
     +(7(),9()) = 19 >= 21 = c(1(),6())
     
     +(8(),0()) = 6 >= 1 = 8()
     
     +(8(),1()) = 11 >= 12 = 9()
     
     +(8(),2()) = 15 >= 19 = c(1(),0())
     
     +(8(),3()) = 8 >= 24 = c(1(),1())
     
     +(8(),4()) = 6 >= 28 = c(1(),2())
     
     +(8(),5()) = 13 >= 21 = c(1(),3())
     
     +(8(),6()) = 8 >= 19 = c(1(),4())
     
     +(8(),7()) = 8 >= 26 = c(1(),5())
     
     +(8(),8()) = 6 >= 21 = c(1(),6())
     
     +(8(),9()) = 17 >= 21 = c(1(),7())
     
     +(9(),0()) = 17 >= 12 = 9()
     
     +(9(),1()) = 22 >= 19 = c(1(),0())
     
     +(9(),2()) = 26 >= 24 = c(1(),1())
     
     +(9(),3()) = 19 >= 28 = c(1(),2())
     
     +(9(),4()) = 17 >= 21 = c(1(),3())
     
     +(9(),5()) = 24 >= 19 = c(1(),4())
     
     +(9(),6()) = 19 >= 26 = c(1(),5())
     
     +(9(),7()) = 19 >= 21 = c(1(),6())
     
     +(9(),8()) = 17 >= 21 = c(1(),7())
     
     +(9(),9()) = 28 >= 19 = c(1(),8())
     
     +(x,c(y,z)) = x + y + z + 16 >= x + y + z + 16 = c(y,+(x,z))
     
     +(c(x,y),z) = x + y + z + 16 >= x + y + z + 16 = c(x,+(y,z))
     
     c(0(),x) = x + 13 >= x = x
     
     c(x,c(y,z)) = x + y + z + 24 >= x + y + z + 16 = c(+(x,y),z)
    problem:
     strict:
      +(1(),8()) -> 9()
      +(2(),8()) -> c(1(),0())
      +(3(),6()) -> 9()
      +(3(),7()) -> c(1(),0())
      +(3(),8()) -> c(1(),1())
      +(3(),9()) -> c(1(),2())
      +(4(),6()) -> c(1(),0())
      +(4(),7()) -> c(1(),1())
      +(4(),8()) -> c(1(),2())
      +(4(),9()) -> c(1(),3())
      +(5(),6()) -> c(1(),1())
      +(5(),7()) -> c(1(),2())
      +(5(),8()) -> c(1(),3())
      +(6(),3()) -> 9()
      +(6(),4()) -> c(1(),0())
      +(6(),5()) -> c(1(),1())
      +(6(),6()) -> c(1(),2())
      +(6(),7()) -> c(1(),3())
      +(6(),8()) -> c(1(),4())
      +(6(),9()) -> c(1(),5())
      +(7(),3()) -> c(1(),0())
      +(7(),4()) -> c(1(),1())
      +(7(),5()) -> c(1(),2())
      +(7(),6()) -> c(1(),3())
      +(7(),7()) -> c(1(),4())
      +(7(),8()) -> c(1(),5())
      +(7(),9()) -> c(1(),6())
      +(8(),1()) -> 9()
      +(8(),2()) -> c(1(),0())
      +(8(),3()) -> c(1(),1())
      +(8(),4()) -> c(1(),2())
      +(8(),5()) -> c(1(),3())
      +(8(),6()) -> c(1(),4())
      +(8(),7()) -> c(1(),5())
      +(8(),8()) -> c(1(),6())
      +(8(),9()) -> c(1(),7())
      +(9(),3()) -> c(1(),2())
      +(9(),4()) -> c(1(),3())
      +(9(),6()) -> c(1(),5())
      +(9(),7()) -> c(1(),6())
      +(9(),8()) -> c(1(),7())
      +(x,c(y,z)) -> c(y,+(x,z))
      +(c(x,y),z) -> c(x,+(y,z))
     weak:
      +(0(),0()) -> 0()
      +(0(),1()) -> 1()
      +(0(),2()) -> 2()
      +(0(),3()) -> 3()
      +(0(),4()) -> 4()
      +(0(),5()) -> 5()
      +(0(),6()) -> 6()
      +(0(),7()) -> 7()
      +(0(),8()) -> 8()
      +(0(),9()) -> 9()
      +(1(),0()) -> 1()
      +(1(),1()) -> 2()
      +(1(),2()) -> 3()
      +(1(),3()) -> 4()
      +(1(),4()) -> 5()
      +(1(),5()) -> 6()
      +(1(),6()) -> 7()
      +(1(),7()) -> 8()
      +(1(),9()) -> c(1(),0())
      +(2(),0()) -> 2()
      +(2(),1()) -> 3()
      +(2(),2()) -> 4()
      +(2(),3()) -> 5()
      +(2(),4()) -> 6()
      +(2(),5()) -> 7()
      +(2(),6()) -> 8()
      +(2(),7()) -> 9()
      +(2(),9()) -> c(1(),1())
      +(3(),0()) -> 3()
      +(3(),1()) -> 4()
      +(3(),2()) -> 5()
      +(3(),3()) -> 6()
      +(3(),4()) -> 7()
      +(3(),5()) -> 8()
      +(4(),0()) -> 4()
      +(4(),1()) -> 5()
      +(4(),2()) -> 6()
      +(4(),3()) -> 7()
      +(4(),4()) -> 8()
      +(4(),5()) -> 9()
      +(5(),0()) -> 5()
      +(5(),1()) -> 6()
      +(5(),2()) -> 7()
      +(5(),3()) -> 8()
      +(5(),4()) -> 9()
      +(5(),5()) -> c(1(),0())
      +(5(),9()) -> c(1(),4())
      +(6(),0()) -> 6()
      +(6(),1()) -> 7()
      +(6(),2()) -> 8()
      +(7(),0()) -> 7()
      +(7(),1()) -> 8()
      +(7(),2()) -> 9()
      +(8(),0()) -> 8()
      +(9(),0()) -> 9()
      +(9(),1()) -> c(1(),0())
      +(9(),2()) -> c(1(),1())
      +(9(),5()) -> c(1(),4())
      +(9(),9()) -> c(1(),8())
      c(0(),x) -> x
      c(x,c(y,z)) -> c(+(x,y),z)
    Matrix Interpretation Processor:
     dimension: 1
     max_matrix:
      1
      interpretation:
       [c](x0, x1) = x0 + x1 + 1,
       
       [9] = 9,
       
       [8] = 10,
       
       [7] = 6,
       
       [6] = 2,
       
       [5] = 8,
       
       [4] = 12,
       
       [3] = 12,
       
       [2] = 8,
       
       [1] = 4,
       
       [+](x0, x1) = x0 + x1,
       
       [0] = 0
      orientation:
       +(1(),8()) = 14 >= 9 = 9()
       
       +(2(),8()) = 18 >= 5 = c(1(),0())
       
       +(3(),6()) = 14 >= 9 = 9()
       
       +(3(),7()) = 18 >= 5 = c(1(),0())
       
       +(3(),8()) = 22 >= 9 = c(1(),1())
       
       +(3(),9()) = 21 >= 13 = c(1(),2())
       
       +(4(),6()) = 14 >= 5 = c(1(),0())
       
       +(4(),7()) = 18 >= 9 = c(1(),1())
       
       +(4(),8()) = 22 >= 13 = c(1(),2())
       
       +(4(),9()) = 21 >= 17 = c(1(),3())
       
       +(5(),6()) = 10 >= 9 = c(1(),1())
       
       +(5(),7()) = 14 >= 13 = c(1(),2())
       
       +(5(),8()) = 18 >= 17 = c(1(),3())
       
       +(6(),3()) = 14 >= 9 = 9()
       
       +(6(),4()) = 14 >= 5 = c(1(),0())
       
       +(6(),5()) = 10 >= 9 = c(1(),1())
       
       +(6(),6()) = 4 >= 13 = c(1(),2())
       
       +(6(),7()) = 8 >= 17 = c(1(),3())
       
       +(6(),8()) = 12 >= 17 = c(1(),4())
       
       +(6(),9()) = 11 >= 13 = c(1(),5())
       
       +(7(),3()) = 18 >= 5 = c(1(),0())
       
       +(7(),4()) = 18 >= 9 = c(1(),1())
       
       +(7(),5()) = 14 >= 13 = c(1(),2())
       
       +(7(),6()) = 8 >= 17 = c(1(),3())
       
       +(7(),7()) = 12 >= 17 = c(1(),4())
       
       +(7(),8()) = 16 >= 13 = c(1(),5())
       
       +(7(),9()) = 15 >= 7 = c(1(),6())
       
       +(8(),1()) = 14 >= 9 = 9()
       
       +(8(),2()) = 18 >= 5 = c(1(),0())
       
       +(8(),3()) = 22 >= 9 = c(1(),1())
       
       +(8(),4()) = 22 >= 13 = c(1(),2())
       
       +(8(),5()) = 18 >= 17 = c(1(),3())
       
       +(8(),6()) = 12 >= 17 = c(1(),4())
       
       +(8(),7()) = 16 >= 13 = c(1(),5())
       
       +(8(),8()) = 20 >= 7 = c(1(),6())
       
       +(8(),9()) = 19 >= 11 = c(1(),7())
       
       +(9(),3()) = 21 >= 13 = c(1(),2())
       
       +(9(),4()) = 21 >= 17 = c(1(),3())
       
       +(9(),6()) = 11 >= 13 = c(1(),5())
       
       +(9(),7()) = 15 >= 7 = c(1(),6())
       
       +(9(),8()) = 19 >= 11 = c(1(),7())
       
       +(x,c(y,z)) = x + y + z + 1 >= x + y + z + 1 = c(y,+(x,z))
       
       +(c(x,y),z) = x + y + z + 1 >= x + y + z + 1 = c(x,+(y,z))
       
       +(0(),0()) = 0 >= 0 = 0()
       
       +(0(),1()) = 4 >= 4 = 1()
       
       +(0(),2()) = 8 >= 8 = 2()
       
       +(0(),3()) = 12 >= 12 = 3()
       
       +(0(),4()) = 12 >= 12 = 4()
       
       +(0(),5()) = 8 >= 8 = 5()
       
       +(0(),6()) = 2 >= 2 = 6()
       
       +(0(),7()) = 6 >= 6 = 7()
       
       +(0(),8()) = 10 >= 10 = 8()
       
       +(0(),9()) = 9 >= 9 = 9()
       
       +(1(),0()) = 4 >= 4 = 1()
       
       +(1(),1()) = 8 >= 8 = 2()
       
       +(1(),2()) = 12 >= 12 = 3()
       
       +(1(),3()) = 16 >= 12 = 4()
       
       +(1(),4()) = 16 >= 8 = 5()
       
       +(1(),5()) = 12 >= 2 = 6()
       
       +(1(),6()) = 6 >= 6 = 7()
       
       +(1(),7()) = 10 >= 10 = 8()
       
       +(1(),9()) = 13 >= 5 = c(1(),0())
       
       +(2(),0()) = 8 >= 8 = 2()
       
       +(2(),1()) = 12 >= 12 = 3()
       
       +(2(),2()) = 16 >= 12 = 4()
       
       +(2(),3()) = 20 >= 8 = 5()
       
       +(2(),4()) = 20 >= 2 = 6()
       
       +(2(),5()) = 16 >= 6 = 7()
       
       +(2(),6()) = 10 >= 10 = 8()
       
       +(2(),7()) = 14 >= 9 = 9()
       
       +(2(),9()) = 17 >= 9 = c(1(),1())
       
       +(3(),0()) = 12 >= 12 = 3()
       
       +(3(),1()) = 16 >= 12 = 4()
       
       +(3(),2()) = 20 >= 8 = 5()
       
       +(3(),3()) = 24 >= 2 = 6()
       
       +(3(),4()) = 24 >= 6 = 7()
       
       +(3(),5()) = 20 >= 10 = 8()
       
       +(4(),0()) = 12 >= 12 = 4()
       
       +(4(),1()) = 16 >= 8 = 5()
       
       +(4(),2()) = 20 >= 2 = 6()
       
       +(4(),3()) = 24 >= 6 = 7()
       
       +(4(),4()) = 24 >= 10 = 8()
       
       +(4(),5()) = 20 >= 9 = 9()
       
       +(5(),0()) = 8 >= 8 = 5()
       
       +(5(),1()) = 12 >= 2 = 6()
       
       +(5(),2()) = 16 >= 6 = 7()
       
       +(5(),3()) = 20 >= 10 = 8()
       
       +(5(),4()) = 20 >= 9 = 9()
       
       +(5(),5()) = 16 >= 5 = c(1(),0())
       
       +(5(),9()) = 17 >= 17 = c(1(),4())
       
       +(6(),0()) = 2 >= 2 = 6()
       
       +(6(),1()) = 6 >= 6 = 7()
       
       +(6(),2()) = 10 >= 10 = 8()
       
       +(7(),0()) = 6 >= 6 = 7()
       
       +(7(),1()) = 10 >= 10 = 8()
       
       +(7(),2()) = 14 >= 9 = 9()
       
       +(8(),0()) = 10 >= 10 = 8()
       
       +(9(),0()) = 9 >= 9 = 9()
       
       +(9(),1()) = 13 >= 5 = c(1(),0())
       
       +(9(),2()) = 17 >= 9 = c(1(),1())
       
       +(9(),5()) = 17 >= 17 = c(1(),4())
       
       +(9(),9()) = 18 >= 15 = c(1(),8())
       
       c(0(),x) = x + 1 >= x = x
       
       c(x,c(y,z)) = x + y + z + 2 >= x + y + z + 1 = c(+(x,y),z)
      problem:
       strict:
        +(6(),6()) -> c(1(),2())
        +(6(),7()) -> c(1(),3())
        +(6(),8()) -> c(1(),4())
        +(6(),9()) -> c(1(),5())
        +(7(),6()) -> c(1(),3())
        +(7(),7()) -> c(1(),4())
        +(8(),6()) -> c(1(),4())
        +(9(),6()) -> c(1(),5())
        +(x,c(y,z)) -> c(y,+(x,z))
        +(c(x,y),z) -> c(x,+(y,z))
       weak:
        +(1(),8()) -> 9()
        +(2(),8()) -> c(1(),0())
        +(3(),6()) -> 9()
        +(3(),7()) -> c(1(),0())
        +(3(),8()) -> c(1(),1())
        +(3(),9()) -> c(1(),2())
        +(4(),6()) -> c(1(),0())
        +(4(),7()) -> c(1(),1())
        +(4(),8()) -> c(1(),2())
        +(4(),9()) -> c(1(),3())
        +(5(),6()) -> c(1(),1())
        +(5(),7()) -> c(1(),2())
        +(5(),8()) -> c(1(),3())
        +(6(),3()) -> 9()
        +(6(),4()) -> c(1(),0())
        +(6(),5()) -> c(1(),1())
        +(7(),3()) -> c(1(),0())
        +(7(),4()) -> c(1(),1())
        +(7(),5()) -> c(1(),2())
        +(7(),8()) -> c(1(),5())
        +(7(),9()) -> c(1(),6())
        +(8(),1()) -> 9()
        +(8(),2()) -> c(1(),0())
        +(8(),3()) -> c(1(),1())
        +(8(),4()) -> c(1(),2())
        +(8(),5()) -> c(1(),3())
        +(8(),7()) -> c(1(),5())
        +(8(),8()) -> c(1(),6())
        +(8(),9()) -> c(1(),7())
        +(9(),3()) -> c(1(),2())
        +(9(),4()) -> c(1(),3())
        +(9(),7()) -> c(1(),6())
        +(9(),8()) -> c(1(),7())
        +(0(),0()) -> 0()
        +(0(),1()) -> 1()
        +(0(),2()) -> 2()
        +(0(),3()) -> 3()
        +(0(),4()) -> 4()
        +(0(),5()) -> 5()
        +(0(),6()) -> 6()
        +(0(),7()) -> 7()
        +(0(),8()) -> 8()
        +(0(),9()) -> 9()
        +(1(),0()) -> 1()
        +(1(),1()) -> 2()
        +(1(),2()) -> 3()
        +(1(),3()) -> 4()
        +(1(),4()) -> 5()
        +(1(),5()) -> 6()
        +(1(),6()) -> 7()
        +(1(),7()) -> 8()
        +(1(),9()) -> c(1(),0())
        +(2(),0()) -> 2()
        +(2(),1()) -> 3()
        +(2(),2()) -> 4()
        +(2(),3()) -> 5()
        +(2(),4()) -> 6()
        +(2(),5()) -> 7()
        +(2(),6()) -> 8()
        +(2(),7()) -> 9()
        +(2(),9()) -> c(1(),1())
        +(3(),0()) -> 3()
        +(3(),1()) -> 4()
        +(3(),2()) -> 5()
        +(3(),3()) -> 6()
        +(3(),4()) -> 7()
        +(3(),5()) -> 8()
        +(4(),0()) -> 4()
        +(4(),1()) -> 5()
        +(4(),2()) -> 6()
        +(4(),3()) -> 7()
        +(4(),4()) -> 8()
        +(4(),5()) -> 9()
        +(5(),0()) -> 5()
        +(5(),1()) -> 6()
        +(5(),2()) -> 7()
        +(5(),3()) -> 8()
        +(5(),4()) -> 9()
        +(5(),5()) -> c(1(),0())
        +(5(),9()) -> c(1(),4())
        +(6(),0()) -> 6()
        +(6(),1()) -> 7()
        +(6(),2()) -> 8()
        +(7(),0()) -> 7()
        +(7(),1()) -> 8()
        +(7(),2()) -> 9()
        +(8(),0()) -> 8()
        +(9(),0()) -> 9()
        +(9(),1()) -> c(1(),0())
        +(9(),2()) -> c(1(),1())
        +(9(),5()) -> c(1(),4())
        +(9(),9()) -> c(1(),8())
        c(0(),x) -> x
        c(x,c(y,z)) -> c(+(x,y),z)
      Matrix Interpretation Processor:
       dimension: 1
       max_matrix:
        1
        interpretation:
         [c](x0, x1) = x0 + x1,
         
         [9] = 8,
         
         [8] = 8,
         
         [7] = 4,
         
         [6] = 5,
         
         [5] = 6,
         
         [4] = 8,
         
         [3] = 8,
         
         [2] = 4,
         
         [1] = 4,
         
         [+](x0, x1) = x0 + x1,
         
         [0] = 8
        orientation:
         +(6(),6()) = 10 >= 8 = c(1(),2())
         
         +(6(),7()) = 9 >= 12 = c(1(),3())
         
         +(6(),8()) = 13 >= 12 = c(1(),4())
         
         +(6(),9()) = 13 >= 10 = c(1(),5())
         
         +(7(),6()) = 9 >= 12 = c(1(),3())
         
         +(7(),7()) = 8 >= 12 = c(1(),4())
         
         +(8(),6()) = 13 >= 12 = c(1(),4())
         
         +(9(),6()) = 13 >= 10 = c(1(),5())
         
         +(x,c(y,z)) = x + y + z >= x + y + z = c(y,+(x,z))
         
         +(c(x,y),z) = x + y + z >= x + y + z = c(x,+(y,z))
         
         +(1(),8()) = 12 >= 8 = 9()
         
         +(2(),8()) = 12 >= 12 = c(1(),0())
         
         +(3(),6()) = 13 >= 8 = 9()
         
         +(3(),7()) = 12 >= 12 = c(1(),0())
         
         +(3(),8()) = 16 >= 8 = c(1(),1())
         
         +(3(),9()) = 16 >= 8 = c(1(),2())
         
         +(4(),6()) = 13 >= 12 = c(1(),0())
         
         +(4(),7()) = 12 >= 8 = c(1(),1())
         
         +(4(),8()) = 16 >= 8 = c(1(),2())
         
         +(4(),9()) = 16 >= 12 = c(1(),3())
         
         +(5(),6()) = 11 >= 8 = c(1(),1())
         
         +(5(),7()) = 10 >= 8 = c(1(),2())
         
         +(5(),8()) = 14 >= 12 = c(1(),3())
         
         +(6(),3()) = 13 >= 8 = 9()
         
         +(6(),4()) = 13 >= 12 = c(1(),0())
         
         +(6(),5()) = 11 >= 8 = c(1(),1())
         
         +(7(),3()) = 12 >= 12 = c(1(),0())
         
         +(7(),4()) = 12 >= 8 = c(1(),1())
         
         +(7(),5()) = 10 >= 8 = c(1(),2())
         
         +(7(),8()) = 12 >= 10 = c(1(),5())
         
         +(7(),9()) = 12 >= 9 = c(1(),6())
         
         +(8(),1()) = 12 >= 8 = 9()
         
         +(8(),2()) = 12 >= 12 = c(1(),0())
         
         +(8(),3()) = 16 >= 8 = c(1(),1())
         
         +(8(),4()) = 16 >= 8 = c(1(),2())
         
         +(8(),5()) = 14 >= 12 = c(1(),3())
         
         +(8(),7()) = 12 >= 10 = c(1(),5())
         
         +(8(),8()) = 16 >= 9 = c(1(),6())
         
         +(8(),9()) = 16 >= 8 = c(1(),7())
         
         +(9(),3()) = 16 >= 8 = c(1(),2())
         
         +(9(),4()) = 16 >= 12 = c(1(),3())
         
         +(9(),7()) = 12 >= 9 = c(1(),6())
         
         +(9(),8()) = 16 >= 8 = c(1(),7())
         
         +(0(),0()) = 16 >= 8 = 0()
         
         +(0(),1()) = 12 >= 4 = 1()
         
         +(0(),2()) = 12 >= 4 = 2()
         
         +(0(),3()) = 16 >= 8 = 3()
         
         +(0(),4()) = 16 >= 8 = 4()
         
         +(0(),5()) = 14 >= 6 = 5()
         
         +(0(),6()) = 13 >= 5 = 6()
         
         +(0(),7()) = 12 >= 4 = 7()
         
         +(0(),8()) = 16 >= 8 = 8()
         
         +(0(),9()) = 16 >= 8 = 9()
         
         +(1(),0()) = 12 >= 4 = 1()
         
         +(1(),1()) = 8 >= 4 = 2()
         
         +(1(),2()) = 8 >= 8 = 3()
         
         +(1(),3()) = 12 >= 8 = 4()
         
         +(1(),4()) = 12 >= 6 = 5()
         
         +(1(),5()) = 10 >= 5 = 6()
         
         +(1(),6()) = 9 >= 4 = 7()
         
         +(1(),7()) = 8 >= 8 = 8()
         
         +(1(),9()) = 12 >= 12 = c(1(),0())
         
         +(2(),0()) = 12 >= 4 = 2()
         
         +(2(),1()) = 8 >= 8 = 3()
         
         +(2(),2()) = 8 >= 8 = 4()
         
         +(2(),3()) = 12 >= 6 = 5()
         
         +(2(),4()) = 12 >= 5 = 6()
         
         +(2(),5()) = 10 >= 4 = 7()
         
         +(2(),6()) = 9 >= 8 = 8()
         
         +(2(),7()) = 8 >= 8 = 9()
         
         +(2(),9()) = 12 >= 8 = c(1(),1())
         
         +(3(),0()) = 16 >= 8 = 3()
         
         +(3(),1()) = 12 >= 8 = 4()
         
         +(3(),2()) = 12 >= 6 = 5()
         
         +(3(),3()) = 16 >= 5 = 6()
         
         +(3(),4()) = 16 >= 4 = 7()
         
         +(3(),5()) = 14 >= 8 = 8()
         
         +(4(),0()) = 16 >= 8 = 4()
         
         +(4(),1()) = 12 >= 6 = 5()
         
         +(4(),2()) = 12 >= 5 = 6()
         
         +(4(),3()) = 16 >= 4 = 7()
         
         +(4(),4()) = 16 >= 8 = 8()
         
         +(4(),5()) = 14 >= 8 = 9()
         
         +(5(),0()) = 14 >= 6 = 5()
         
         +(5(),1()) = 10 >= 5 = 6()
         
         +(5(),2()) = 10 >= 4 = 7()
         
         +(5(),3()) = 14 >= 8 = 8()
         
         +(5(),4()) = 14 >= 8 = 9()
         
         +(5(),5()) = 12 >= 12 = c(1(),0())
         
         +(5(),9()) = 14 >= 12 = c(1(),4())
         
         +(6(),0()) = 13 >= 5 = 6()
         
         +(6(),1()) = 9 >= 4 = 7()
         
         +(6(),2()) = 9 >= 8 = 8()
         
         +(7(),0()) = 12 >= 4 = 7()
         
         +(7(),1()) = 8 >= 8 = 8()
         
         +(7(),2()) = 8 >= 8 = 9()
         
         +(8(),0()) = 16 >= 8 = 8()
         
         +(9(),0()) = 16 >= 8 = 9()
         
         +(9(),1()) = 12 >= 12 = c(1(),0())
         
         +(9(),2()) = 12 >= 8 = c(1(),1())
         
         +(9(),5()) = 14 >= 12 = c(1(),4())
         
         +(9(),9()) = 16 >= 12 = c(1(),8())
         
         c(0(),x) = x + 8 >= x = x
         
         c(x,c(y,z)) = x + y + z >= x + y + z = c(+(x,y),z)
        problem:
         strict:
          +(6(),7()) -> c(1(),3())
          +(7(),6()) -> c(1(),3())
          +(7(),7()) -> c(1(),4())
          +(x,c(y,z)) -> c(y,+(x,z))
          +(c(x,y),z) -> c(x,+(y,z))
         weak:
          +(6(),6()) -> c(1(),2())
          +(6(),8()) -> c(1(),4())
          +(6(),9()) -> c(1(),5())
          +(8(),6()) -> c(1(),4())
          +(9(),6()) -> c(1(),5())
          +(1(),8()) -> 9()
          +(2(),8()) -> c(1(),0())
          +(3(),6()) -> 9()
          +(3(),7()) -> c(1(),0())
          +(3(),8()) -> c(1(),1())
          +(3(),9()) -> c(1(),2())
          +(4(),6()) -> c(1(),0())
          +(4(),7()) -> c(1(),1())
          +(4(),8()) -> c(1(),2())
          +(4(),9()) -> c(1(),3())
          +(5(),6()) -> c(1(),1())
          +(5(),7()) -> c(1(),2())
          +(5(),8()) -> c(1(),3())
          +(6(),3()) -> 9()
          +(6(),4()) -> c(1(),0())
          +(6(),5()) -> c(1(),1())
          +(7(),3()) -> c(1(),0())
          +(7(),4()) -> c(1(),1())
          +(7(),5()) -> c(1(),2())
          +(7(),8()) -> c(1(),5())
          +(7(),9()) -> c(1(),6())
          +(8(),1()) -> 9()
          +(8(),2()) -> c(1(),0())
          +(8(),3()) -> c(1(),1())
          +(8(),4()) -> c(1(),2())
          +(8(),5()) -> c(1(),3())
          +(8(),7()) -> c(1(),5())
          +(8(),8()) -> c(1(),6())
          +(8(),9()) -> c(1(),7())
          +(9(),3()) -> c(1(),2())
          +(9(),4()) -> c(1(),3())
          +(9(),7()) -> c(1(),6())
          +(9(),8()) -> c(1(),7())
          +(0(),0()) -> 0()
          +(0(),1()) -> 1()
          +(0(),2()) -> 2()
          +(0(),3()) -> 3()
          +(0(),4()) -> 4()
          +(0(),5()) -> 5()
          +(0(),6()) -> 6()
          +(0(),7()) -> 7()
          +(0(),8()) -> 8()
          +(0(),9()) -> 9()
          +(1(),0()) -> 1()
          +(1(),1()) -> 2()
          +(1(),2()) -> 3()
          +(1(),3()) -> 4()
          +(1(),4()) -> 5()
          +(1(),5()) -> 6()
          +(1(),6()) -> 7()
          +(1(),7()) -> 8()
          +(1(),9()) -> c(1(),0())
          +(2(),0()) -> 2()
          +(2(),1()) -> 3()
          +(2(),2()) -> 4()
          +(2(),3()) -> 5()
          +(2(),4()) -> 6()
          +(2(),5()) -> 7()
          +(2(),6()) -> 8()
          +(2(),7()) -> 9()
          +(2(),9()) -> c(1(),1())
          +(3(),0()) -> 3()
          +(3(),1()) -> 4()
          +(3(),2()) -> 5()
          +(3(),3()) -> 6()
          +(3(),4()) -> 7()
          +(3(),5()) -> 8()
          +(4(),0()) -> 4()
          +(4(),1()) -> 5()
          +(4(),2()) -> 6()
          +(4(),3()) -> 7()
          +(4(),4()) -> 8()
          +(4(),5()) -> 9()
          +(5(),0()) -> 5()
          +(5(),1()) -> 6()
          +(5(),2()) -> 7()
          +(5(),3()) -> 8()
          +(5(),4()) -> 9()
          +(5(),5()) -> c(1(),0())
          +(5(),9()) -> c(1(),4())
          +(6(),0()) -> 6()
          +(6(),1()) -> 7()
          +(6(),2()) -> 8()
          +(7(),0()) -> 7()
          +(7(),1()) -> 8()
          +(7(),2()) -> 9()
          +(8(),0()) -> 8()
          +(9(),0()) -> 9()
          +(9(),1()) -> c(1(),0())
          +(9(),2()) -> c(1(),1())
          +(9(),5()) -> c(1(),4())
          +(9(),9()) -> c(1(),8())
          c(0(),x) -> x
          c(x,c(y,z)) -> c(+(x,y),z)
        Matrix Interpretation Processor:
         dimension: 1
         max_matrix:
          1
          interpretation:
           [c](x0, x1) = x0 + x1 + 33,
           
           [9] = 16,
           
           [8] = 32,
           
           [7] = 32,
           
           [6] = 16,
           
           [5] = 24,
           
           [4] = 34,
           
           [3] = 17,
           
           [2] = 2,
           
           [1] = 0,
           
           [+](x0, x1) = x0 + x1 + 33,
           
           [0] = 0
          orientation:
           +(6(),7()) = 81 >= 50 = c(1(),3())
           
           +(7(),6()) = 81 >= 50 = c(1(),3())
           
           +(7(),7()) = 97 >= 67 = c(1(),4())
           
           +(x,c(y,z)) = x + y + z + 66 >= x + y + z + 66 = c(y,+(x,z))
           
           +(c(x,y),z) = x + y + z + 66 >= x + y + z + 66 = c(x,+(y,z))
           
           +(6(),6()) = 65 >= 35 = c(1(),2())
           
           +(6(),8()) = 81 >= 67 = c(1(),4())
           
           +(6(),9()) = 65 >= 57 = c(1(),5())
           
           +(8(),6()) = 81 >= 67 = c(1(),4())
           
           +(9(),6()) = 65 >= 57 = c(1(),5())
           
           +(1(),8()) = 65 >= 16 = 9()
           
           +(2(),8()) = 67 >= 33 = c(1(),0())
           
           +(3(),6()) = 66 >= 16 = 9()
           
           +(3(),7()) = 82 >= 33 = c(1(),0())
           
           +(3(),8()) = 82 >= 33 = c(1(),1())
           
           +(3(),9()) = 66 >= 35 = c(1(),2())
           
           +(4(),6()) = 83 >= 33 = c(1(),0())
           
           +(4(),7()) = 99 >= 33 = c(1(),1())
           
           +(4(),8()) = 99 >= 35 = c(1(),2())
           
           +(4(),9()) = 83 >= 50 = c(1(),3())
           
           +(5(),6()) = 73 >= 33 = c(1(),1())
           
           +(5(),7()) = 89 >= 35 = c(1(),2())
           
           +(5(),8()) = 89 >= 50 = c(1(),3())
           
           +(6(),3()) = 66 >= 16 = 9()
           
           +(6(),4()) = 83 >= 33 = c(1(),0())
           
           +(6(),5()) = 73 >= 33 = c(1(),1())
           
           +(7(),3()) = 82 >= 33 = c(1(),0())
           
           +(7(),4()) = 99 >= 33 = c(1(),1())
           
           +(7(),5()) = 89 >= 35 = c(1(),2())
           
           +(7(),8()) = 97 >= 57 = c(1(),5())
           
           +(7(),9()) = 81 >= 49 = c(1(),6())
           
           +(8(),1()) = 65 >= 16 = 9()
           
           +(8(),2()) = 67 >= 33 = c(1(),0())
           
           +(8(),3()) = 82 >= 33 = c(1(),1())
           
           +(8(),4()) = 99 >= 35 = c(1(),2())
           
           +(8(),5()) = 89 >= 50 = c(1(),3())
           
           +(8(),7()) = 97 >= 57 = c(1(),5())
           
           +(8(),8()) = 97 >= 49 = c(1(),6())
           
           +(8(),9()) = 81 >= 65 = c(1(),7())
           
           +(9(),3()) = 66 >= 35 = c(1(),2())
           
           +(9(),4()) = 83 >= 50 = c(1(),3())
           
           +(9(),7()) = 81 >= 49 = c(1(),6())
           
           +(9(),8()) = 81 >= 65 = c(1(),7())
           
           +(0(),0()) = 33 >= 0 = 0()
           
           +(0(),1()) = 33 >= 0 = 1()
           
           +(0(),2()) = 35 >= 2 = 2()
           
           +(0(),3()) = 50 >= 17 = 3()
           
           +(0(),4()) = 67 >= 34 = 4()
           
           +(0(),5()) = 57 >= 24 = 5()
           
           +(0(),6()) = 49 >= 16 = 6()
           
           +(0(),7()) = 65 >= 32 = 7()
           
           +(0(),8()) = 65 >= 32 = 8()
           
           +(0(),9()) = 49 >= 16 = 9()
           
           +(1(),0()) = 33 >= 0 = 1()
           
           +(1(),1()) = 33 >= 2 = 2()
           
           +(1(),2()) = 35 >= 17 = 3()
           
           +(1(),3()) = 50 >= 34 = 4()
           
           +(1(),4()) = 67 >= 24 = 5()
           
           +(1(),5()) = 57 >= 16 = 6()
           
           +(1(),6()) = 49 >= 32 = 7()
           
           +(1(),7()) = 65 >= 32 = 8()
           
           +(1(),9()) = 49 >= 33 = c(1(),0())
           
           +(2(),0()) = 35 >= 2 = 2()
           
           +(2(),1()) = 35 >= 17 = 3()
           
           +(2(),2()) = 37 >= 34 = 4()
           
           +(2(),3()) = 52 >= 24 = 5()
           
           +(2(),4()) = 69 >= 16 = 6()
           
           +(2(),5()) = 59 >= 32 = 7()
           
           +(2(),6()) = 51 >= 32 = 8()
           
           +(2(),7()) = 67 >= 16 = 9()
           
           +(2(),9()) = 51 >= 33 = c(1(),1())
           
           +(3(),0()) = 50 >= 17 = 3()
           
           +(3(),1()) = 50 >= 34 = 4()
           
           +(3(),2()) = 52 >= 24 = 5()
           
           +(3(),3()) = 67 >= 16 = 6()
           
           +(3(),4()) = 84 >= 32 = 7()
           
           +(3(),5()) = 74 >= 32 = 8()
           
           +(4(),0()) = 67 >= 34 = 4()
           
           +(4(),1()) = 67 >= 24 = 5()
           
           +(4(),2()) = 69 >= 16 = 6()
           
           +(4(),3()) = 84 >= 32 = 7()
           
           +(4(),4()) = 101 >= 32 = 8()
           
           +(4(),5()) = 91 >= 16 = 9()
           
           +(5(),0()) = 57 >= 24 = 5()
           
           +(5(),1()) = 57 >= 16 = 6()
           
           +(5(),2()) = 59 >= 32 = 7()
           
           +(5(),3()) = 74 >= 32 = 8()
           
           +(5(),4()) = 91 >= 16 = 9()
           
           +(5(),5()) = 81 >= 33 = c(1(),0())
           
           +(5(),9()) = 73 >= 67 = c(1(),4())
           
           +(6(),0()) = 49 >= 16 = 6()
           
           +(6(),1()) = 49 >= 32 = 7()
           
           +(6(),2()) = 51 >= 32 = 8()
           
           +(7(),0()) = 65 >= 32 = 7()
           
           +(7(),1()) = 65 >= 32 = 8()
           
           +(7(),2()) = 67 >= 16 = 9()
           
           +(8(),0()) = 65 >= 32 = 8()
           
           +(9(),0()) = 49 >= 16 = 9()
           
           +(9(),1()) = 49 >= 33 = c(1(),0())
           
           +(9(),2()) = 51 >= 33 = c(1(),1())
           
           +(9(),5()) = 73 >= 67 = c(1(),4())
           
           +(9(),9()) = 65 >= 65 = c(1(),8())
           
           c(0(),x) = x + 33 >= x = x
           
           c(x,c(y,z)) = x + y + z + 66 >= x + y + z + 66 = c(+(x,y),z)
          problem:
           strict:
            +(x,c(y,z)) -> c(y,+(x,z))
            +(c(x,y),z) -> c(x,+(y,z))
           weak:
            +(6(),7()) -> c(1(),3())
            +(7(),6()) -> c(1(),3())
            +(7(),7()) -> c(1(),4())
            +(6(),6()) -> c(1(),2())
            +(6(),8()) -> c(1(),4())
            +(6(),9()) -> c(1(),5())
            +(8(),6()) -> c(1(),4())
            +(9(),6()) -> c(1(),5())
            +(1(),8()) -> 9()
            +(2(),8()) -> c(1(),0())
            +(3(),6()) -> 9()
            +(3(),7()) -> c(1(),0())
            +(3(),8()) -> c(1(),1())
            +(3(),9()) -> c(1(),2())
            +(4(),6()) -> c(1(),0())
            +(4(),7()) -> c(1(),1())
            +(4(),8()) -> c(1(),2())
            +(4(),9()) -> c(1(),3())
            +(5(),6()) -> c(1(),1())
            +(5(),7()) -> c(1(),2())
            +(5(),8()) -> c(1(),3())
            +(6(),3()) -> 9()
            +(6(),4()) -> c(1(),0())
            +(6(),5()) -> c(1(),1())
            +(7(),3()) -> c(1(),0())
            +(7(),4()) -> c(1(),1())
            +(7(),5()) -> c(1(),2())
            +(7(),8()) -> c(1(),5())
            +(7(),9()) -> c(1(),6())
            +(8(),1()) -> 9()
            +(8(),2()) -> c(1(),0())
            +(8(),3()) -> c(1(),1())
            +(8(),4()) -> c(1(),2())
            +(8(),5()) -> c(1(),3())
            +(8(),7()) -> c(1(),5())
            +(8(),8()) -> c(1(),6())
            +(8(),9()) -> c(1(),7())
            +(9(),3()) -> c(1(),2())
            +(9(),4()) -> c(1(),3())
            +(9(),7()) -> c(1(),6())
            +(9(),8()) -> c(1(),7())
            +(0(),0()) -> 0()
            +(0(),1()) -> 1()
            +(0(),2()) -> 2()
            +(0(),3()) -> 3()
            +(0(),4()) -> 4()
            +(0(),5()) -> 5()
            +(0(),6()) -> 6()
            +(0(),7()) -> 7()
            +(0(),8()) -> 8()
            +(0(),9()) -> 9()
            +(1(),0()) -> 1()
            +(1(),1()) -> 2()
            +(1(),2()) -> 3()
            +(1(),3()) -> 4()
            +(1(),4()) -> 5()
            +(1(),5()) -> 6()
            +(1(),6()) -> 7()
            +(1(),7()) -> 8()
            +(1(),9()) -> c(1(),0())
            +(2(),0()) -> 2()
            +(2(),1()) -> 3()
            +(2(),2()) -> 4()
            +(2(),3()) -> 5()
            +(2(),4()) -> 6()
            +(2(),5()) -> 7()
            +(2(),6()) -> 8()
            +(2(),7()) -> 9()
            +(2(),9()) -> c(1(),1())
            +(3(),0()) -> 3()
            +(3(),1()) -> 4()
            +(3(),2()) -> 5()
            +(3(),3()) -> 6()
            +(3(),4()) -> 7()
            +(3(),5()) -> 8()
            +(4(),0()) -> 4()
            +(4(),1()) -> 5()
            +(4(),2()) -> 6()
            +(4(),3()) -> 7()
            +(4(),4()) -> 8()
            +(4(),5()) -> 9()
            +(5(),0()) -> 5()
            +(5(),1()) -> 6()
            +(5(),2()) -> 7()
            +(5(),3()) -> 8()
            +(5(),4()) -> 9()
            +(5(),5()) -> c(1(),0())
            +(5(),9()) -> c(1(),4())
            +(6(),0()) -> 6()
            +(6(),1()) -> 7()
            +(6(),2()) -> 8()
            +(7(),0()) -> 7()
            +(7(),1()) -> 8()
            +(7(),2()) -> 9()
            +(8(),0()) -> 8()
            +(9(),0()) -> 9()
            +(9(),1()) -> c(1(),0())
            +(9(),2()) -> c(1(),1())
            +(9(),5()) -> c(1(),4())
            +(9(),9()) -> c(1(),8())
            c(0(),x) -> x
            c(x,c(y,z)) -> c(+(x,y),z)
          Bounds Processor:
           bound: 0
           enrichment: match
           automaton:
            final states: {12,11}
            transitions:
             +0(8,1) -> 11*
             +0(3,1) -> 11*
             +0(8,3) -> 11*
             +0(3,3) -> 11*
             +0(8,5) -> 11*
             +0(3,5) -> 11*
             +0(8,7) -> 11*
             +0(3,7) -> 11*
             +0(8,9) -> 11*
             +0(3,9) -> 11*
             +0(9,2) -> 11*
             +0(4,2) -> 11*
             +0(9,4) -> 11*
             +0(4,4) -> 11*
             +0(9,6) -> 11*
             +0(4,6) -> 11*
             +0(9,8) -> 11*
             +0(4,8) -> 11*
             +0(9,10) -> 11*
             +0(4,10) -> 11*
             +0(10,1) -> 11*
             +0(5,1) -> 11*
             +0(10,3) -> 11*
             +0(5,3) -> 11*
             +0(10,5) -> 11*
             +0(5,5) -> 11*
             +0(10,7) -> 11*
             +0(5,7) -> 11*
             +0(10,9) -> 11*
             +0(5,9) -> 11*
             +0(6,2) -> 11*
             +0(1,2) -> 11*
             +0(6,4) -> 11*
             +0(1,4) -> 11*
             +0(6,6) -> 11*
             +0(1,6) -> 11*
             +0(6,8) -> 11*
             +0(1,8) -> 11*
             +0(6,10) -> 11*
             +0(1,10) -> 11*
             +0(7,1) -> 11*
             +0(2,1) -> 11*
             +0(7,3) -> 11*
             +0(2,3) -> 11*
             +0(7,5) -> 11*
             +0(2,5) -> 11*
             +0(7,7) -> 11*
             +0(2,7) -> 11*
             +0(7,9) -> 11*
             +0(2,9) -> 11*
             +0(8,2) -> 11*
             +0(3,2) -> 11*
             +0(8,4) -> 11*
             +0(3,4) -> 11*
             +0(8,6) -> 11*
             +0(3,6) -> 11*
             +0(8,8) -> 11*
             +0(3,8) -> 11*
             +0(8,10) -> 11*
             +0(3,10) -> 11*
             +0(9,1) -> 11*
             +0(4,1) -> 11*
             +0(9,3) -> 11*
             +0(4,3) -> 11*
             +0(9,5) -> 11*
             +0(4,5) -> 11*
             +0(9,7) -> 11*
             +0(4,7) -> 11*
             +0(9,9) -> 11*
             +0(4,9) -> 11*
             +0(10,2) -> 11*
             +0(5,2) -> 11*
             +0(10,4) -> 11*
             +0(5,4) -> 11*
             +0(10,6) -> 11*
             +0(5,6) -> 11*
             +0(10,8) -> 11*
             +0(5,8) -> 11*
             +0(10,10) -> 11*
             +0(5,10) -> 11*
             +0(6,1) -> 11*
             +0(1,1) -> 11*
             +0(6,3) -> 11*
             +0(1,3) -> 11*
             +0(6,5) -> 11*
             +0(1,5) -> 11*
             +0(6,7) -> 11*
             +0(1,7) -> 11*
             +0(6,9) -> 11*
             +0(1,9) -> 11*
             +0(7,2) -> 11*
             +0(2,2) -> 11*
             +0(7,4) -> 11*
             +0(2,4) -> 11*
             +0(7,6) -> 11*
             +0(2,6) -> 11*
             +0(7,8) -> 11*
             +0(2,8) -> 11*
             +0(7,10) -> 11*
             +0(2,10) -> 11*
             c0(8,1) -> 12*
             c0(3,1) -> 11,12
             c0(8,3) -> 12*
             c0(3,3) -> 11,12
             c0(8,5) -> 12*
             c0(3,5) -> 11,12
             c0(8,7) -> 12*
             c0(3,7) -> 11,12
             c0(8,9) -> 12*
             c0(3,9) -> 11,12
             c0(9,2) -> 12*
             c0(4,2) -> 12*
             c0(9,4) -> 12*
             c0(4,4) -> 12*
             c0(9,6) -> 12*
             c0(4,6) -> 12*
             c0(9,8) -> 12*
             c0(4,8) -> 12*
             c0(9,10) -> 12*
             c0(4,10) -> 12*
             c0(10,1) -> 12*
             c0(5,1) -> 12*
             c0(10,3) -> 12*
             c0(5,3) -> 12*
             c0(10,5) -> 12*
             c0(5,5) -> 12*
             c0(10,7) -> 12*
             c0(5,7) -> 12*
             c0(10,9) -> 12*
             c0(5,9) -> 12*
             c0(6,2) -> 12*
             c0(1,2) -> 12*
             c0(6,4) -> 12*
             c0(1,4) -> 12*
             c0(6,6) -> 12*
             c0(1,6) -> 12*
             c0(6,8) -> 12*
             c0(1,8) -> 12*
             c0(6,10) -> 12*
             c0(1,10) -> 12*
             c0(7,1) -> 12*
             c0(2,1) -> 12*
             c0(7,3) -> 12*
             c0(2,3) -> 12*
             c0(7,5) -> 12*
             c0(2,5) -> 12*
             c0(7,7) -> 12*
             c0(2,7) -> 12*
             c0(7,9) -> 12*
             c0(2,9) -> 12*
             c0(8,2) -> 12*
             c0(3,2) -> 11,12
             c0(8,4) -> 12*
             c0(3,4) -> 11,12
             c0(8,6) -> 12*
             c0(3,6) -> 11,12
             c0(8,8) -> 12*
             c0(3,8) -> 12*
             c0(8,10) -> 12*
             c0(3,10) -> 11,12
             c0(9,1) -> 12*
             c0(4,1) -> 12*
             c0(9,3) -> 12*
             c0(4,3) -> 12*
             c0(9,5) -> 12*
             c0(4,5) -> 12*
             c0(9,7) -> 12*
             c0(4,7) -> 12*
             c0(9,9) -> 12*
             c0(4,9) -> 12*
             c0(10,2) -> 12*
             c0(5,2) -> 12*
             c0(10,4) -> 12*
             c0(5,4) -> 12*
             c0(10,6) -> 12*
             c0(5,6) -> 12*
             c0(10,8) -> 12*
             c0(5,8) -> 12*
             c0(10,10) -> 12*
             c0(5,10) -> 12*
             c0(6,1) -> 12*
             c0(1,1) -> 12*
             c0(6,3) -> 12*
             c0(1,3) -> 12*
             c0(6,5) -> 12*
             c0(1,5) -> 12*
             c0(6,7) -> 12*
             c0(1,7) -> 12*
             c0(6,9) -> 12*
             c0(1,9) -> 12*
             c0(7,2) -> 12*
             c0(2,2) -> 12*
             c0(7,4) -> 12*
             c0(2,4) -> 12*
             c0(7,6) -> 12*
             c0(2,6) -> 12*
             c0(7,8) -> 12*
             c0(2,8) -> 12*
             c0(7,10) -> 12*
             c0(2,10) -> 12*
             60() -> 11,1
             70() -> 11,2
             10() -> 11,3
             30() -> 11,4
             40() -> 11,5
             20() -> 11,6
             80() -> 11,7
             90() -> 11,8
             50() -> 11,9
             00() -> 11,10
             1 -> 12*
             2 -> 12*
             3 -> 12*
             4 -> 12*
             5 -> 12*
             6 -> 12*
             7 -> 12*
             8 -> 12*
             9 -> 12*
             10 -> 12*
           problem:
            strict:
             +(c(x,y),z) -> c(x,+(y,z))
            weak:
             +(x,c(y,z)) -> c(y,+(x,z))
             +(6(),7()) -> c(1(),3())
             +(7(),6()) -> c(1(),3())
             +(7(),7()) -> c(1(),4())
             +(6(),6()) -> c(1(),2())
             +(6(),8()) -> c(1(),4())
             +(6(),9()) -> c(1(),5())
             +(8(),6()) -> c(1(),4())
             +(9(),6()) -> c(1(),5())
             +(1(),8()) -> 9()
             +(2(),8()) -> c(1(),0())
             +(3(),6()) -> 9()
             +(3(),7()) -> c(1(),0())
             +(3(),8()) -> c(1(),1())
             +(3(),9()) -> c(1(),2())
             +(4(),6()) -> c(1(),0())
             +(4(),7()) -> c(1(),1())
             +(4(),8()) -> c(1(),2())
             +(4(),9()) -> c(1(),3())
             +(5(),6()) -> c(1(),1())
             +(5(),7()) -> c(1(),2())
             +(5(),8()) -> c(1(),3())
             +(6(),3()) -> 9()
             +(6(),4()) -> c(1(),0())
             +(6(),5()) -> c(1(),1())
             +(7(),3()) -> c(1(),0())
             +(7(),4()) -> c(1(),1())
             +(7(),5()) -> c(1(),2())
             +(7(),8()) -> c(1(),5())
             +(7(),9()) -> c(1(),6())
             +(8(),1()) -> 9()
             +(8(),2()) -> c(1(),0())
             +(8(),3()) -> c(1(),1())
             +(8(),4()) -> c(1(),2())
             +(8(),5()) -> c(1(),3())
             +(8(),7()) -> c(1(),5())
             +(8(),8()) -> c(1(),6())
             +(8(),9()) -> c(1(),7())
             +(9(),3()) -> c(1(),2())
             +(9(),4()) -> c(1(),3())
             +(9(),7()) -> c(1(),6())
             +(9(),8()) -> c(1(),7())
             +(0(),0()) -> 0()
             +(0(),1()) -> 1()
             +(0(),2()) -> 2()
             +(0(),3()) -> 3()
             +(0(),4()) -> 4()
             +(0(),5()) -> 5()
             +(0(),6()) -> 6()
             +(0(),7()) -> 7()
             +(0(),8()) -> 8()
             +(0(),9()) -> 9()
             +(1(),0()) -> 1()
             +(1(),1()) -> 2()
             +(1(),2()) -> 3()
             +(1(),3()) -> 4()
             +(1(),4()) -> 5()
             +(1(),5()) -> 6()
             +(1(),6()) -> 7()
             +(1(),7()) -> 8()
             +(1(),9()) -> c(1(),0())
             +(2(),0()) -> 2()
             +(2(),1()) -> 3()
             +(2(),2()) -> 4()
             +(2(),3()) -> 5()
             +(2(),4()) -> 6()
             +(2(),5()) -> 7()
             +(2(),6()) -> 8()
             +(2(),7()) -> 9()
             +(2(),9()) -> c(1(),1())
             +(3(),0()) -> 3()
             +(3(),1()) -> 4()
             +(3(),2()) -> 5()
             +(3(),3()) -> 6()
             +(3(),4()) -> 7()
             +(3(),5()) -> 8()
             +(4(),0()) -> 4()
             +(4(),1()) -> 5()
             +(4(),2()) -> 6()
             +(4(),3()) -> 7()
             +(4(),4()) -> 8()
             +(4(),5()) -> 9()
             +(5(),0()) -> 5()
             +(5(),1()) -> 6()
             +(5(),2()) -> 7()
             +(5(),3()) -> 8()
             +(5(),4()) -> 9()
             +(5(),5()) -> c(1(),0())
             +(5(),9()) -> c(1(),4())
             +(6(),0()) -> 6()
             +(6(),1()) -> 7()
             +(6(),2()) -> 8()
             +(7(),0()) -> 7()
             +(7(),1()) -> 8()
             +(7(),2()) -> 9()
             +(8(),0()) -> 8()
             +(9(),0()) -> 9()
             +(9(),1()) -> c(1(),0())
             +(9(),2()) -> c(1(),1())
             +(9(),5()) -> c(1(),4())
             +(9(),9()) -> c(1(),8())
             c(0(),x) -> x
             c(x,c(y,z)) -> c(+(x,y),z)
           Bounds Processor:
            bound: 0
            enrichment: match
            automaton:
             final states: {12,11}
             transitions:
              +0(8,1) -> 11*
              +0(3,1) -> 11*
              +0(8,3) -> 11*
              +0(3,3) -> 11*
              +0(8,5) -> 11*
              +0(3,5) -> 11*
              +0(8,7) -> 11*
              +0(3,7) -> 11*
              +0(8,9) -> 11*
              +0(3,9) -> 11*
              +0(9,2) -> 11*
              +0(4,2) -> 11*
              +0(9,4) -> 11*
              +0(4,4) -> 11*
              +0(9,6) -> 11*
              +0(4,6) -> 11*
              +0(9,8) -> 11*
              +0(4,8) -> 11*
              +0(9,10) -> 11*
              +0(4,10) -> 11*
              +0(10,1) -> 11*
              +0(5,1) -> 11*
              +0(10,3) -> 11*
              +0(5,3) -> 11*
              +0(10,5) -> 11*
              +0(5,5) -> 11*
              +0(10,7) -> 11*
              +0(5,7) -> 11*
              +0(10,9) -> 11*
              +0(5,9) -> 11*
              +0(6,2) -> 11*
              +0(1,2) -> 11*
              +0(6,4) -> 11*
              +0(1,4) -> 11*
              +0(6,6) -> 11*
              +0(1,6) -> 11*
              +0(6,8) -> 11*
              +0(1,8) -> 11*
              +0(6,10) -> 11*
              +0(1,10) -> 11*
              +0(7,1) -> 11*
              +0(2,1) -> 11*
              +0(7,3) -> 11*
              +0(2,3) -> 11*
              +0(7,5) -> 11*
              +0(2,5) -> 11*
              +0(7,7) -> 11*
              +0(2,7) -> 11*
              +0(7,9) -> 11*
              +0(2,9) -> 11*
              +0(8,2) -> 11*
              +0(3,2) -> 11*
              +0(8,4) -> 11*
              +0(3,4) -> 11*
              +0(8,6) -> 11*
              +0(3,6) -> 11*
              +0(8,8) -> 11*
              +0(3,8) -> 11*
              +0(8,10) -> 11*
              +0(3,10) -> 11*
              +0(9,1) -> 11*
              +0(4,1) -> 11*
              +0(9,3) -> 11*
              +0(4,3) -> 11*
              +0(9,5) -> 11*
              +0(4,5) -> 11*
              +0(9,7) -> 11*
              +0(4,7) -> 11*
              +0(9,9) -> 11*
              +0(4,9) -> 11*
              +0(10,2) -> 11*
              +0(5,2) -> 11*
              +0(10,4) -> 11*
              +0(5,4) -> 11*
              +0(10,6) -> 11*
              +0(5,6) -> 11*
              +0(10,8) -> 11*
              +0(5,8) -> 11*
              +0(10,10) -> 11*
              +0(5,10) -> 11*
              +0(6,1) -> 11*
              +0(1,1) -> 11*
              +0(6,3) -> 11*
              +0(1,3) -> 11*
              +0(6,5) -> 11*
              +0(1,5) -> 11*
              +0(6,7) -> 11*
              +0(1,7) -> 11*
              +0(6,9) -> 11*
              +0(1,9) -> 11*
              +0(7,2) -> 11*
              +0(2,2) -> 11*
              +0(7,4) -> 11*
              +0(2,4) -> 11*
              +0(7,6) -> 11*
              +0(2,6) -> 11*
              +0(7,8) -> 11*
              +0(2,8) -> 11*
              +0(7,10) -> 11*
              +0(2,10) -> 11*
              c0(8,1) -> 12*
              c0(3,1) -> 11,12
              c0(8,3) -> 12*
              c0(3,3) -> 11,12
              c0(8,5) -> 12*
              c0(3,5) -> 11,12
              c0(8,7) -> 12*
              c0(3,7) -> 11,12
              c0(8,9) -> 12*
              c0(3,9) -> 11,12
              c0(9,2) -> 12*
              c0(4,2) -> 12*
              c0(9,4) -> 12*
              c0(4,4) -> 12*
              c0(9,6) -> 12*
              c0(4,6) -> 12*
              c0(9,8) -> 12*
              c0(4,8) -> 12*
              c0(9,10) -> 12*
              c0(4,10) -> 12*
              c0(10,1) -> 12*
              c0(5,1) -> 12*
              c0(10,3) -> 12*
              c0(5,3) -> 12*
              c0(10,5) -> 12*
              c0(5,5) -> 12*
              c0(10,7) -> 12*
              c0(5,7) -> 12*
              c0(10,9) -> 12*
              c0(5,9) -> 12*
              c0(6,2) -> 12*
              c0(1,2) -> 12*
              c0(6,4) -> 12*
              c0(1,4) -> 12*
              c0(6,6) -> 12*
              c0(1,6) -> 12*
              c0(6,8) -> 12*
              c0(1,8) -> 12*
              c0(6,10) -> 12*
              c0(1,10) -> 12*
              c0(7,1) -> 12*
              c0(2,1) -> 12*
              c0(7,3) -> 12*
              c0(2,3) -> 12*
              c0(7,5) -> 12*
              c0(2,5) -> 12*
              c0(7,7) -> 12*
              c0(2,7) -> 12*
              c0(7,9) -> 12*
              c0(2,9) -> 12*
              c0(8,2) -> 12*
              c0(3,2) -> 11,12
              c0(8,4) -> 12*
              c0(3,4) -> 11,12
              c0(8,6) -> 12*
              c0(3,6) -> 11,12
              c0(8,8) -> 12*
              c0(3,8) -> 12*
              c0(8,10) -> 12*
              c0(3,10) -> 11,12
              c0(9,1) -> 12*
              c0(4,1) -> 12*
              c0(9,3) -> 12*
              c0(4,3) -> 12*
              c0(9,5) -> 12*
              c0(4,5) -> 12*
              c0(9,7) -> 12*
              c0(4,7) -> 12*
              c0(9,9) -> 12*
              c0(4,9) -> 12*
              c0(10,2) -> 12*
              c0(5,2) -> 12*
              c0(10,4) -> 12*
              c0(5,4) -> 12*
              c0(10,6) -> 12*
              c0(5,6) -> 12*
              c0(10,8) -> 12*
              c0(5,8) -> 12*
              c0(10,10) -> 12*
              c0(5,10) -> 12*
              c0(6,1) -> 12*
              c0(1,1) -> 12*
              c0(6,3) -> 12*
              c0(1,3) -> 12*
              c0(6,5) -> 12*
              c0(1,5) -> 12*
              c0(6,7) -> 12*
              c0(1,7) -> 12*
              c0(6,9) -> 12*
              c0(1,9) -> 12*
              c0(7,2) -> 12*
              c0(2,2) -> 12*
              c0(7,4) -> 12*
              c0(2,4) -> 12*
              c0(7,6) -> 12*
              c0(2,6) -> 12*
              c0(7,8) -> 12*
              c0(2,8) -> 12*
              c0(7,10) -> 12*
              c0(2,10) -> 12*
              60() -> 11,1
              70() -> 11,2
              10() -> 11,3
              30() -> 11,4
              40() -> 11,5
              20() -> 11,6
              80() -> 11,7
              90() -> 11,8
              50() -> 11,9
              00() -> 11,10
              1 -> 12*
              2 -> 12*
              3 -> 12*
              4 -> 12*
              5 -> 12*
              6 -> 12*
              7 -> 12*
              8 -> 12*
              9 -> 12*
              10 -> 12*
            problem:
             strict:
              
             weak:
              +(c(x,y),z) -> c(x,+(y,z))
              +(x,c(y,z)) -> c(y,+(x,z))
              +(6(),7()) -> c(1(),3())
              +(7(),6()) -> c(1(),3())
              +(7(),7()) -> c(1(),4())
              +(6(),6()) -> c(1(),2())
              +(6(),8()) -> c(1(),4())
              +(6(),9()) -> c(1(),5())
              +(8(),6()) -> c(1(),4())
              +(9(),6()) -> c(1(),5())
              +(1(),8()) -> 9()
              +(2(),8()) -> c(1(),0())
              +(3(),6()) -> 9()
              +(3(),7()) -> c(1(),0())
              +(3(),8()) -> c(1(),1())
              +(3(),9()) -> c(1(),2())
              +(4(),6()) -> c(1(),0())
              +(4(),7()) -> c(1(),1())
              +(4(),8()) -> c(1(),2())
              +(4(),9()) -> c(1(),3())
              +(5(),6()) -> c(1(),1())
              +(5(),7()) -> c(1(),2())
              +(5(),8()) -> c(1(),3())
              +(6(),3()) -> 9()
              +(6(),4()) -> c(1(),0())
              +(6(),5()) -> c(1(),1())
              +(7(),3()) -> c(1(),0())
              +(7(),4()) -> c(1(),1())
              +(7(),5()) -> c(1(),2())
              +(7(),8()) -> c(1(),5())
              +(7(),9()) -> c(1(),6())
              +(8(),1()) -> 9()
              +(8(),2()) -> c(1(),0())
              +(8(),3()) -> c(1(),1())
              +(8(),4()) -> c(1(),2())
              +(8(),5()) -> c(1(),3())
              +(8(),7()) -> c(1(),5())
              +(8(),8()) -> c(1(),6())
              +(8(),9()) -> c(1(),7())
              +(9(),3()) -> c(1(),2())
              +(9(),4()) -> c(1(),3())
              +(9(),7()) -> c(1(),6())
              +(9(),8()) -> c(1(),7())
              +(0(),0()) -> 0()
              +(0(),1()) -> 1()
              +(0(),2()) -> 2()
              +(0(),3()) -> 3()
              +(0(),4()) -> 4()
              +(0(),5()) -> 5()
              +(0(),6()) -> 6()
              +(0(),7()) -> 7()
              +(0(),8()) -> 8()
              +(0(),9()) -> 9()
              +(1(),0()) -> 1()
              +(1(),1()) -> 2()
              +(1(),2()) -> 3()
              +(1(),3()) -> 4()
              +(1(),4()) -> 5()
              +(1(),5()) -> 6()
              +(1(),6()) -> 7()
              +(1(),7()) -> 8()
              +(1(),9()) -> c(1(),0())
              +(2(),0()) -> 2()
              +(2(),1()) -> 3()
              +(2(),2()) -> 4()
              +(2(),3()) -> 5()
              +(2(),4()) -> 6()
              +(2(),5()) -> 7()
              +(2(),6()) -> 8()
              +(2(),7()) -> 9()
              +(2(),9()) -> c(1(),1())
              +(3(),0()) -> 3()
              +(3(),1()) -> 4()
              +(3(),2()) -> 5()
              +(3(),3()) -> 6()
              +(3(),4()) -> 7()
              +(3(),5()) -> 8()
              +(4(),0()) -> 4()
              +(4(),1()) -> 5()
              +(4(),2()) -> 6()
              +(4(),3()) -> 7()
              +(4(),4()) -> 8()
              +(4(),5()) -> 9()
              +(5(),0()) -> 5()
              +(5(),1()) -> 6()
              +(5(),2()) -> 7()
              +(5(),3()) -> 8()
              +(5(),4()) -> 9()
              +(5(),5()) -> c(1(),0())
              +(5(),9()) -> c(1(),4())
              +(6(),0()) -> 6()
              +(6(),1()) -> 7()
              +(6(),2()) -> 8()
              +(7(),0()) -> 7()
              +(7(),1()) -> 8()
              +(7(),2()) -> 9()
              +(8(),0()) -> 8()
              +(9(),0()) -> 9()
              +(9(),1()) -> c(1(),0())
              +(9(),2()) -> c(1(),1())
              +(9(),5()) -> c(1(),4())
              +(9(),9()) -> c(1(),8())
              c(0(),x) -> x
              c(x,c(y,z)) -> c(+(x,y),z)
            Qed