5
9
 2 5 0 0 3 0 9 0 1
 0 1 2 0 0 4 0 0 0
 4 0 7 0 0 0 2 0 8
 0 0 5 2 0 0 0 0 0
 0 0 0 0 9 8 1 0 0
 0 4 0 0 0 3 0 0 0
 0 0 0 3 6 0 0 7 2
 0 7 0 0 0 0 0 0 3
 9 0 3 0 0 0 6 0 4
4
 1 2 3 4
 3 4 1 2
 2 1 4 3
 4 3 2 1
9
 2 5 0 0 3 0 9 0 1
 0 1 0 0 0 4 0 0 0
 4 0 7 0 0 0 2 0 8
 0 0 5 2 0 0 0 0 0
 0 0 0 0 9 8 1 0 0
 0 4 0 0 0 3 0 0 0
 0 0 0 3 6 0 0 7 2
 0 7 0 0 0 0 0 0 3
 9 0 3 0 2 0 6 0 4
6
 1 0 3 4 5 6
 3 3 0 0 3 2
 2 0 1 5 4 3
 0 4 6 3 2 1
 5 1 4 6 3 0
 0 4 0 3 0 5
9
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0