### #..# #..# #..# #..# .# #..####..## #.......... ######.y........ .......$####..## .......y# ######..# #..# #... #y.. ..|## .... .#### .## ..# ∆ #..### .....#. ###....... #......[.. #......... #.<....... #......... #......... #......... #......... #......... #......... #>........ #......... #......... #......... #......... #........ #........ .........