north: 80
south: 0
east: 120
west: 0
rows: 8
cols: 12
10 10 10 17 10 16.5 19 16.5 10 10 17 10 
18 10 17 18.5 17 17 19 17 10 18.5 19 18 
* * * * * * * * * * * * 
10 16.5 17 19 17 18 10 18.5 17 18 16 18 
19 16 16 18 19 10 10 19 16.5 18 16.5 19 
16 17.5 19 17 17 18 19 10 16 19 17.5 10 
19 17.5 18 10 18 10 17 16 10 10 17 19 
17.5 19 18 16 16 17.5 10 16.5 19 17 16.5 16