... #### .. .... ##..## ... ....##....##... ............... ............... #.............. #........# #..MM..# ##..M.## #....# ∆ #....# ∆ #....# #....# ∆ #....# ∆∆ #....# ∆∆ #....# ∆∆ #.∩∩.# ######