MAYBE

Problem:
 b(b(a(b(b(a(b(b(b(b(x1)))))))))) -> b(b(b(b(b(a(b(b(a(b(b(a(b(x1)))))))))))))

Proof:
 Complexity Transformation Processor:
  strict:
   b(b(a(b(b(a(b(b(b(b(x1)))))))))) -> b(b(b(b(b(a(b(b(a(b(b(a(b(x1)))))))))))))
  weak:
   
  Open