MAYBE
164.05/55.34	MAYBE
164.05/55.34	
164.05/55.34	Problem:
164.05/55.34	 a(a(x1)) -> b(x1)
164.05/55.34	 a(b(c(x1))) -> a(c(c(a(a(a(x1))))))
164.05/55.34	
164.05/55.34	Proof:
164.05/55.34	 Open
164.05/55.34	EOF