4
6
0 1 0 0 0 0
1 0 1 0 0 0
0 1 0 1 0 0
0 0 1 0 1 0
0 0 0 1 0 1
0 0 0 0 1 0
6
0 2 0 0 0 0
2 0 0 0 0 0
0 0 0 3 0 0
0 0 3 0 0 0
0 0 0 0 0 4
0 0 0 0 4 0
6
0 1 0 0 0 0
1 0 0 0 0 0
0 0 0 2 0 0
0 0 2 0 0 0
0 0 0 0 0 4
0 0 0 0 4 0
6
0 1 1 1 1 1
1 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0 0