第四章 山穷水尽寻出路
反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反复反反复反复反复反复反复反复反复反复反复