8
80 140
400 140
120 340
360 340
240 340
80 540
400 540
240 460
0 1 1 1 0 0 0 0
1 0 1 1 0 0 0 0
1 1 0 0 1 1 0 0
1 1 0 0 1 0 1 0
0 0 1 1 0 1 1 0
0 0 1 0 1 0 1 1
0 0 0 1 1 1 0 1
0 0 0 0 0 1 1 0
0
