6
80 320
80 520
400 320
400 520
240 200
240 420
0 1 1 0 1 2
1 0 0 1 0 2
1 0 0 1 1 2
0 1 1 0 0 2
1 0 1 0 0 0
0 2 2 2 0 0
0
