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