MAYBE
123.83/55.36	MAYBE
123.83/55.36	
123.83/55.36	Problem:
123.83/55.36	 a(x1) -> b(x1)
123.83/55.36	 b(a(c(x1))) -> c(b(a(a(x1))))
123.83/55.36	 b(b(x1)) -> c(x1)
123.83/55.36	
123.83/55.36	Proof:
123.83/55.36	 Open
123.83/55.36	EOF