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

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

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

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

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

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

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

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

0 1 0 0
1 4 0 0
0 0 0 1
0 3 1 4

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

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

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

4 0 3 0
0 0 0 3
0 0 0 0
0 0 1 0

0 2 0 0
0 0 3 0
0 0 0 0
4 0 0 2

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