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