12
180 160
300 160
60 280
420 280
60 400
420 400
180 520
300 520
180 280
180 400
300 280
300 400
0 2 1 0 0 0 0 0 1 0 0 0
2 0 0 1 0 0 0 0 0 0 1 0
1 0 0 0 1 0 0 0 2 0 0 0
0 1 0 0 0 1 0 0 0 0 2 0
0 0 1 0 0 0 1 0 0 2 0 0
0 0 0 1 0 0 0 1 0 0 0 2
0 0 0 0 1 0 0 2 0 1 0 0
0 0 0 0 0 1 2 0 0 0 0 1
1 0 2 0 0 0 0 0 0 0 0 0
0 0 0 0 2 0 1 0 0 0 1 0
0 1 0 2 0 0 0 0 0 1 0 0
0 0 0 0 0 2 0 1 0 0 0 0
11
