#M.  .#
      ##.. #.#
       ...##.#
   #.  #...#.#
   #.###...#.#
   ......M...#
    ∆#.......#
     #......(#
     ###...#c#
       #...#(#
...#.####.##.#
 #.((..<..c(.#
 ###.#####.#.#
         #.#.#
         #.#.#
         #.#.#
    ∆    ....#
         #.###
         #.#