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