###                           
????              #########   
....#+#+#+#+#+#+#+#.......### 
....^........(^......^......##
..............M^^.M..........#
.....^.....^......^..∩^∩.....#
.....^..^......^.............#
......^........^^.^.........##
....#+#+#+#+#+#+#+#.^.....### 
???               #########   
##