TIME: 159


SCC: 8
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Global Ranking Function: nat(1/2*A+ -1/2*B+ -1/2*C+1/2)

  6_loop(A,B,C) :- 6_loop(D,E,F) [1*C+ -1*F= -1,1*A+ -1*D=0,1*B+ -1*E= -1,1*A+ -1*E+ -1*F>= -1]
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