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

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Diagonals
5 Stars
X-Wing