* * *##########################
     ........................∩#
*    .........................#
    *#+###+###'###'###+#####..#
      ,    #...#...#   #...#..#
     #### ####'##+######'#.#..#
     #....#....#...Z#....#.'..#
    *#....#....#....#....###..#
     #....#....#....#....#.#..#
    ,+.........#.........#.#..#
    ,####...'..#.....#####.'..#
  ,  #...................###..#
     #...................#.#..#
     +........???........'.#..#
 ,   #.......?!$!!.......#.'..#
     ######..?$∩$!..########..#
  , ,#.......!?$!!.......+.#..#
*    #........!?!........#.#..#
     +.......Z...........#.'..#
 ,   #.........MM........###..#
     ####......#......####.#..#
   *   ........#M.M.Z....#.#..#
     *....#....#....#....#.'..#
      ....#....#....#....###..#
      ...,#....#.ZZM#....#.#..#
     *    ####+###'##+####.#..#
           * ,,#...#...#...#..#
       *    +###+###'###'###..#
 ,        ,,..................#
            .................∩#
   *     *  ###################