in2d.txt

1 1 0
1 2 0
2 1 0
2 2 0

1 0 1
1 0 2
2 0 1
2 0 2

0 1 1
0 2 1
0 1 2
0 2 2

1 1 0 1 2 0
1 2 0 2 2 0
2 1 0 2 2 0
1 1 0 2 1 0

1 0 1 1 0 2
1 0 2 2 0 2
2 0 1 2 0 2
1 0 1 2 0 1

0 1 1 0 1 2
0 1 1 0 2 1
0 2 2 0 2 1
0 2 2 0 1 2