12

3 3
6 15 24
12 15 18
1 0 0
0 5 0
0 0 9

3 3
6 6 7
7 6 6
0 0 0
0 0 1
0 1 0

3 3
11 13 23
19 16 12
0 3 0
0 0 3
0 0 0

1 9
45
4 7 2 1 5 3 6 8 9
0 0 0 0 0 0 0 0 0

9 2
13 10 8 11 7 12 10 13 6
45 45
0 0
0 1
0 0
0 9
0 0
8 0
0 0
0 7
0 0

3 6
30 33 30
19 18 10 17 13 16
4 0 0 0 0 0
0 5 0 1 9 0
0 0 0 0 0 6


4 7
38 37 37 29
23 25 19 22 24 15 13
0 0 0 0 0 1 3
0 0 0 0 8 0 5
2 0 0 4 0 8 1
0 6 8 0 1 2 0

5 5
22 17 33 29 28
20 27 28 26 28
0 0 0 0 0
2 0 3 0 0
0 0 9 0 5
4 0 0 0 1
6 4 2 0 0

5 5
25 32 25 22 19
29 25 19 21 29
0 0 0 5 3
0 0 0 0 6
2 4 0 0 0
0 0 0 2 9
6 0 0 0 4

7 7
34 29 37 42 38 33 31
31 34 31 41 34 36 37
7 6 4 8 1 5 0
0 0 0 0 8 3 5
8 0 0 0 0 9 7
6 5 0 0 0 0 4
1 7 2 0 9 6 8
3 0 8 2 6 4 1
2 4 3 0 5 1 9

8 8
42 36 40 41 44 42 44 43
44 36 42 42 41 44 43 40
5 2 1 8 7 9 4 6
0 0 0 0 0 0 0 0
2 7 6 1 8 3 9 4
9 6 7 2 1 8 5 3
3 8 9 5 0 0 7 2
7 4 2 9 5 6 1 8
0 0 0 0 9 2 8 7
8 1 4 7 3 5 6 9

9 9
45 44 45 45 45 45 45 45 45
45 45 45 45 45 45 45 45 45
1 2 3 4 5 6 7 8 9
2 0 0 0 6 0 0 0 0
3 4 5 6 7 8 9 1 2
4 5 6 7 8 9 1 2 3
5 6 7 8 9 1 2 3 4
6 7 8 9 1 2 3 4 5
7 8 9 1 2 3 4 5 6
0 0 0 0 0 4 0 0 0
9 1 2 3 4 5 6 7 8