...............  
....x§##......#  
. ....##.....X##.
..............X..
...............X.
.................
..........W......
....W.....W......
..........x......
......##....W.##.
...4..##......#  
..§......#.._..# 
.#....#.##..#....
######.## #.###..
     .##   ##  ..
                 
.