00000000
              0000000000000000000
           0/0000000000000000000000000
         000000000000/000000000000000||
       000000000000000000    0 00000000/
      00000000000000000000000000000000/0||
      0000/0000000000000000000000000000000
     00/00000000000     00000000000000000||
      00000/0000000000000000000000000000||
     0000/000000000000000000000000000000000
      00     0000000000000000000000000000
       00000000000000/0000000000000||000
         0/00000000000000000000000000|
                     |/||
                     |//|
                     |//|                     
=====================|//|======================
=====================|/||======================