Termination w.r.t. Q proof of TRS/various20.trs

Termination w.r.t. Q of the following Term Rewriting System could not be shown:

Q restricted rewrite system:
The TRS R consists of the following rules:

s1(s1(s0(s0(x)))) → s0(s0(s0(s1(s1(s1(x))))))

Q is empty.

↳ QTRS

Q restricted rewrite system:
The TRS R consists of the following rules:

s1(s1(s0(s0(x)))) → s0(s0(s0(s1(s1(s1(x))))))

Q is empty.