9
2
5
4
7
6
8
3
1
8
3
1
9
2
5
4
7
6
4
7
6
8
3
1
9
2
5
5
8
2
6
9
7
1
4
3
1
4
3
5
8
2
6
9
7
6
9
7
1
4
3
5
8
2
3
6
4
2
1
8
7
5
9
7
5
9
3
6
4
2
1
8
2
1
8
7
5
9
3
6
4
Easy Moderate
Difficult Expert
Solution New Game

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