srcxcwu   aiznxiam  ms     ue     xe=     xx     sx 

 nx     xx       ca    se   aa     me cz    cc     ri 

 vx     wi      rc      oo sc     vc   =u   ri     cn 

 xu     sw     ni        ior     ax     aw  sw     az 

 wm     we    rz        en ce    ezo=iaene  iw     xs 

 xa     z=   xx        ez   wo   =w     zr  c=     xw 

  uiu==wr   uim=wmna  ae     =n  vv     wi   uw=niac