.....# #....# #....## #...<.# . ###..(.##.. . ####.......... .. #<.........# . ..###...)....# #.#..........### ....##..#..### ##.........# ..........## ##........## #...#..>..# ......#.#...... #### #.#.####.. ∆ # #...###### #.##.......# #.....#..h.# ####.......# # ##......# ....####......# #.......##...# ##.#.........# #.....#####..# #...... ...! ........ .... ..##...... ∆.. . ....... .........