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