YES TRS: a(b(a(x))) -> b(a(b(x))) max/plus interpretations on N: a_A(x1) = max{2, x1} a#_A(x1) = max{1, -4} b_A(x1) = max{1, -2} b#_A(x1) = max{0, -3 + x1} precedence: a > b