...... #.... .... ..... .. ..#. .... ..# ...#. .#.v.# .. ......#..... . ..##.. ....... ...............###.# #..####........#...# ....#..#.#.#.#..# ∆ #..#.#.##.......# . ## # ##)#.#........ #...#..##..# #.........# #...#.v.!.### ∆ #..........#....# #.#.#.....## .#.. .. #.#...#.. ∆. ##.##....# ... .#.... .## .# #.#.# #. ...#.