MAYBE

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

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