12
80 140
400 140
80 220
400 220
200 220
280 220
200 420
280 420
360 420
120 420
120 540
360 540
0 2 1 1 0 0 0 0 0 0 0 0
2 0 1 1 0 0 0 0 0 0 0 0
1 1 0 0 1 0 0 0 0 0 0 0
1 1 0 0 0 1 0 0 0 0 0 0
0 0 1 0 0 0 1 0 0 0 0 0
0 0 0 1 0 0 0 1 0 0 0 0
0 0 0 0 1 0 0 0 0 1 0 0
0 0 0 0 0 1 0 0 1 0 0 0
0 0 0 0 0 0 0 1 0 0 2 1
0 0 0 0 0 0 1 0 0 0 1 2
0 0 0 0 0 0 0 0 2 1 0 1
0 0 0 0 0 0 0 0 1 2 1 0
3
