rviesr   xz     r=  ea      x=  xz    ex  zcaiixxv  

 mm    is   os   vi   oi  uo  ii   rr  rv   xs     rz 

 zr          wv rw    va  oz  ii    omze    mc     ou 

 =x           zv=     xo  ew  re     zr     rnosoixe  

 sx          ev s=    rx  ex  sz     wn     oz        

 ao    wm   sz   w=   rv  xx  oc     vz     oe        

  vren=x   us     no   nec  arn      mv     ms