199.43/50.83	MAYBE
199.43/50.83	
199.43/50.83	Problem:
199.43/50.83	 b(c(b(a(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(b(c(b(b(c(b(a(x1)))))))))))))
199.43/50.83	
199.43/50.83	Proof:
199.43/50.83	 Open
199.43/50.83	EOF