MAYBE

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

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