2
2
4
4
4

0 0 0 1
0 1 1 0
1 0 1 0
1 1 0 1

0 0 0 1
0 1 1 0
1 0 1 0
1 1 0 1

0 0 0 1
0 1 1 0
1 0 1 0
1 1 0 1
