1            ...........
 2         ..             ..
 3      ..                   ..
 4    ..           $2o           $1..
 5  ..            $2:W'            $1..
 6 ..             $2.d.             $1..
 7:.             $2.KNO              $1.:
 8:.             $2cNNN.             $1.:
 9:              $2dXXX,              $1:
10:   $2.          dXXX,       .cd,   $1:
11:   $2'kc ..     dKKK.    ,ll;:'    $1:
12:     $2.xkkxc;..dkkkc',cxkkl       $1:
13:.     $2.,cdddddddddddddo:.       $1.:
14 ..         $2:lllllll:           $1..
15   ..         $2',,,,,          $1..
16     ..                     ..
17        ..               ..
18          ...............