1 0
0 4

1 4
0 0

9 0 0
7 0 0
1 0 5

3 0 6
0 0 7
9 0 1

1 9 8
0 0 0
3 0 0

9 0 0
0 1 3
6 0 4

9 0 0
8 0 0
0 2 1

0 0 2
0 1 0
7 0 9

9 0 3
0 0 1
0 6 0

0 4 1
0 0 0
7 0 9
