1```                        $2`
 2  $1` `.....---...$2....--.```   -/
 3  $1+o   .--`         $2/y:`      +.
 4   $1yo`:.            $2:o      `+-
 5    $1y/               $2-/`   -o/
 6   $1.-                  $2::/sy+:.
 7   $1/                     $2`--  /
 8  $1`:                          $2:`
 9  $1`:                          $2:`
10   $1/                          $2/
11   $1.-                        $2-.
12    $1--                      $2-.
13     $1`:`                  $2`:`
14       .--             `--.
15          .---.....----.