8
240 140
80 260
400 260
80 580
400 580
240 420
240 580
240 260
0 1 1 0 0 0 0 0
1 0 0 1 0 0 0 0
1 0 0 0 1 1 0 1
0 1 0 0 0 1 1 0
0 0 1 0 0 0 1 0
0 0 1 1 0 0 1 1
0 0 0 1 1 1 0 0
0 0 1 0 0 1 0 0
3
