YES

---- CR(R)
---- Hot decreasingness.
R:
a(a(b(a(b(a(b(a(b(x))))))))) -> a(b(a(b(a(b(a(b(a(a(a(a(a(b(x))))))))))))))

C:


Label:
[a(a(b(a(b(a(b(a(b(x))))))))) -> a(b(a(b(a(b(a(b(a(a(a(a(a(b(x))))))))))))))] = 0