north: 80
south: 0
east: 120
west: 0
rows: 8
cols: 12
10 12 20 17 12 17 23 17 24 13 21 12 
18 24 16 19 10 17 19 17 21 24 19 23 
* * * * * * * * * * * * 
24 17 21 20 13 18 20 19 18 14 23 18 
19 24 16 18 23 12 23 15 11 22 16 21 
21 21 14 22 18 18 19 11 15 10 15 11 
19 19 11 14 23 14 13 16 14 15 17 19 
16 10 18 15 23 16 23 23 19 22 16 13