MAYBE
134.98/55.34	MAYBE
134.98/55.34	
134.98/55.34	Problem:
134.98/55.34	 a(x1) -> b(x1)
134.98/55.34	 b(b(a(c(x1)))) -> c(c(a(a(a(a(x1))))))
134.98/55.34	
134.98/55.34	Proof:
134.98/55.34	 Open
134.98/55.34	EOF