197.96/50.61	MAYBE
197.96/50.61	
197.96/50.61	Problem:
197.96/50.61	 c(a(a(b(c(c(a(a(b(c(x1)))))))))) -> a(a(b(c(c(a(a(b(c(a(a(b(c(c(x1))))))))))))))
197.96/50.61	
197.96/50.61	Proof:
197.96/50.61	 Open
197.96/50.62	EOF