197.67/50.62	MAYBE
197.67/50.62	
197.67/50.62	Problem:
197.67/50.62	 a(a(b(a(c(a(a(a(x1)))))))) -> a(a(a(a(a(b(a(c(a(a(b(a(c(x1)))))))))))))
197.67/50.62	
197.67/50.62	Proof:
197.67/50.62	 Open
197.67/50.63	EOF