MAYBE
238.48/60.25	MAYBE
238.48/60.25	
238.48/60.25	Problem:
238.48/60.25	 a(a(b(d(b(d(a(x1))))))) -> a(a(c(a(a(b(d(x1)))))))
238.48/60.25	 a(a(c(x1))) -> c(c(a(a(x1))))
238.48/60.25	 c(c(c(x1))) -> b(d(c(b(d(x1)))))
238.48/60.25	
238.48/60.25	Proof:
238.48/60.25	 Open
238.48/60.25	EOF