.......$..$ ..## 
#.........##...##
....#...........#
............$..#.
...........).....
....#............
.....$..)......#.
.........))......
#.####.<.@....<..
     ##..........
      ##......#..
∆ ∆    #.......#.
∆ ∆∆   #......#..
       #......# .
       #.......  
        .###...