9
60 180
300 180
200 320
300 300
300 420
60 420
160 420
420 420
300 540
0 0 1 0 0 0 0 0 0
1 0 0 1 0 0 0 0 0
0 0 0 1 1 0 1 0 0
0 1 1 0 0 0 0 1 0
0 0 1 1 0 0 1 2 1
1 0 0 0 0 0 1 0 0
0 0 1 0 1 1 0 0 1
0 0 0 1 2 0 0 0 1
0 0 0 0 0 0 1 1 0
8
