8
120 160
360 160
240 240
140 240
340 240
240 560
440 320
40 320
0 2 1 2 0 0 0 1
2 0 1 0 2 0 1 0
1 1 0 1 1 2 0 0
2 0 1 0 0 2 0 1
0 2 1 0 0 2 1 0
0 0 2 2 2 0 1 1
0 1 0 0 1 1 0 0
1 0 0 1 0 1 0 0
6
