.   .  . ......
                                               :
                                  XXXXXXXXXXX  :    .....    ....   ..........
                                  X         X  :....:...:    :  :...:.. .....:
                                  X   xxxxxxX       :........:      :.: :......
    ________   ________    _______X   XXXXXXX ________    ________   ________ :
 ___\¬ -_ _/___\¬ -___/____\¬  /  X      XXXX_\¬ -_ _/____\___---/___\¬ -___/__
 )_____/_____)__________)_________X   xxxXXXX____/_____)___________)__________/
 .¯¯¯¯¯ ¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯X   XXXXXXX¯¯¯¯ ¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯¯¯ ¯¯¯¯¯¯¯¯¯¯
 :.....  ...   ....    .....      X         X
  ....:  :.:...:  :    :...:..... XxxxxxxxxxX
  :........:      :........:    :
                                ··· ·  ·   ·