199.62/50.89	MAYBE
199.62/50.89	
199.62/50.89	Problem:
199.62/50.89	 a(b(c(b(a(a(b(c(b(a(x1)))))))))) -> a(a(b(c(b(a(b(c(b(a(a(b(c(b(x1))))))))))))))
199.62/50.89	
199.62/50.89	Proof:
199.62/50.89	 Open
199.62/50.89	EOF