MAYBE
135.90/55.34	MAYBE
135.90/55.34	
135.90/55.34	Problem:
135.90/55.34	 a(a(b(x1))) -> b(c(b(a(a(a(x1))))))
135.90/55.34	 a(c(x1)) -> b(x1)
135.90/55.34	
135.90/55.34	Proof:
135.90/55.34	 Open
135.90/55.34	EOF