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