7
240 140
80 380
240 380
80 620
240 620
400 380
400 140
0 1 1 0 0 1 1
1 0 1 1 1 0 0
1 1 0 1 1 1 1
0 1 1 0 1 0 0
0 1 1 1 0 1 0
1 0 1 0 1 0 1
1 0 1 0 0 1 0
6
