xr    ew  ievvrwmc   mwzvraxn   nw     ex   szmxmmo  

  x=  xm   rc     nn  vs     oi  so     eu  nv     =z 

   cinm    xs     zo  cs     ar  mv     o=  x=     e= 

    uo     iwzisaiw   ecccwxoc   nr     ur  se     um 

    os     mc     xn  iu         nv     me  =v  i= sn 

    =a     vs     am  ir         mn     ri  ec    e=  

    wx     iaisirrx   zv          u=izxuz    sxsvw ze