∆ ######### #.......# #####.....## #..........# #..........# #...$......# #.# #..........# #.# #..........# #.# #..........######.# #...............#.# #..........####.#.# #...$......# #.#.# ###############.#.# #.....^...# #.#####.### ####.# ...# ≈≈#.##.#### ##≈#.## #≈≈#.# #<≈'.# #≈≈≈≈#.# #≈##≈#.# #≈ ≈≈#.# # ####.# #.# #.# .#