197.72/50.57	MAYBE
197.72/50.57	
197.72/50.57	Problem:
197.72/50.57	 a(b(c(b(a(a(a(a(a(x1))))))))) -> a(a(a(a(a(a(b(c(b(a(a(b(c(b(x1))))))))))))))
197.72/50.57	
197.72/50.57	Proof:
197.72/50.57	 Open
197.72/50.58	EOF