
  ^                                                                          
1 +                                                                          
  |                                                     ***************      
  +--------------------------------------***************                     
  |                               *******  |                                 
  |                          *****         |                                 
  |                       ***              |                                 
  |                    ***                 |                                 
  |                  **                    |                                 
  |                **                      |                                 
  |              **                        |                                 
  |             *                          |                                 
  |           **                           |                                 
  |          *                             |                                 
  |         *                              |                                 
  |        *                               |                                 
  |       *                                |                                 
  +------*                                 |                                 
  |     *|                                 |                                 
  |    * |                                 |                                 
  |   *  |                                 |                                 
  |   *  |                                 |                                 
  |  *   |                                 |                                 
  |  *   |                                 |                                 
  | *    |                                 |                                 
  |*     |                                 |                                 
  |      V                                 V                                 
  +------+------+-------------+------------++-------------+-------------+--->
  0             1             2             3             4             5    
