Input TRS:
    1: a(b(a(x))) -> b(a(b(x)))
Number of strict rules: 1
Direct Order(PosReal,>,Poly) ... removes: 1
     a(x1)	weight: (/ 1 8) + x1
     b(x1)	weight: (/ 1 16) + x1
Number of strict rules: 0
YES