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Beginner
Easy
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Expert
Master
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Mediumpuzzles
(45056 puzzles)
7
6
2
9
8
2
4
4
3
8
1
6
3
9
5
8
5
6
7
2
3
4
2
2
8
5
7
Difficulty rating: 4.4
Rating: 4.4
8
3
9
2
7
4
7
9
2
6
5
3
4
6
7
4
8
3
1
2
9
2
5
4
9
9
7
Difficulty rating: 4.2
Rating: 4.2
4
3
1
7
3
6
4
1
5
7
2
9
9
2
3
2
7
5
6
8
9
2
4
1
4
6
9
Difficulty rating: 5.0
Rating: 5.0
8
2
9
4
4
6
3
1
5
7
9
2
7
8
8
9
3
2
8
5
1
9
1
7
2
Difficulty rating: 4.4
Rating: 4.4
9
3
6
1
5
2
1
6
3
7
8
4
2
4
3
6
9
9
8
7
7
9
5
2
7
1
Difficulty rating: 4.4
Rating: 4.4
1
4
7
6
8
9
1
2
6
8
4
3
1
3
2
6
9
4
1
8
7
3
9
5
8
3
9
5
Difficulty rating: 4.4
Rating: 4.4
9
6
5
2
3
1
7
6
9
4
9
3
4
6
8
4
7
5
5
6
8
2
2
7
6
6
2
5
9
5
7
6
Difficulty rating: 4.2
Rating: 4.2
8
4
1
3
6
5
7
4
1
5
1
2
7
4
6
9
5
9
5
6
7
5
8
1
6
3
Difficulty rating: 5.0
Rating: 5.0
3
4
2
8
7
4
8
3
9
1
3
1
5
7
6
2
8
7
3
5
1
6
3
9
2
1
8
7
6
4
Difficulty rating: 4.2
Rating: 4.2
7
2
1
8
3
1
2
5
9
5
4
5
6
2
6
8
1
3
1
4
9
7
5
8
1
7
2
Difficulty rating: 4.2
Rating: 4.2
2
7
4
1
4
5
3
7
8
6
5
4
9
2
3
7
3
6
8
2
1
3
9
5
6
8
1
Difficulty rating: 5.0
Rating: 5.0
8
1
7
6
2
3
4
2
8
1
9
9
3
2
1
6
4
9
5
8
5
3
4
6
7
8
6
Difficulty rating: 4.2
Rating: 4.2
4
5
1
6
5
6
3
8
4
2
5
7
3
2
3
4
3
8
5
5
8
1
6
4
1
7
4
2
Difficulty rating: 4.4
Rating: 4.4
3
6
8
1
5
7
4
9
1
3
2
6
4
3
7
9
1
7
8
6
3
6
7
4
8
5
2
Difficulty rating: 4.2
Rating: 4.2
4
5
6
7
8
7
9
9
4
1
7
1
6
4
8
4
2
5
3
4
7
9
7
5
1
8
4
8
3
1
4
6
Difficulty rating: 4.2
Rating: 4.2
4
9
7
2
5
9
6
9
2
1
3
9
2
8
4
1
2
4
6
7
3
4
7
1
6
8
6
9
3
9
1
6
Difficulty rating: 4.2
Rating: 4.2
2
9
1
3
6
1
3
1
2
8
7
6
8
7
5
3
2
9
6
4
2
5
6
7
9
8
9
7
8
1
6
4
Difficulty rating: 4.2
Rating: 4.2
7
5
5
3
1
2
6
3
1
7
3
2
9
1
4
3
4
1
9
4
7
9
6
8
8
Difficulty rating: 4.4
Rating: 4.4
9
7
8
2
5
1
5
3
2
1
3
3
4
9
1
6
4
8
7
2
6
5
4
8
3
8
9
Difficulty rating: 5.0
Rating: 5.0
6
4
8
3
7
2
9
4
6
5
2
1
3
7
6
8
9
9
1
3
2
4
8
1
7
6
9
1
8
3
Difficulty rating: 4.4
Rating: 4.4
8
1
1
7
2
2
1
8
6
5
5
4
6
9
3
3
7
1
9
5
7
4
7
4
5
3
2
Difficulty rating: 4.4
Rating: 4.4
2
6
1
1
4
9
3
5
2
8
7
2
6
8
3
4
7
9
3
2
6
4
3
2
7
8
9
3
8
4
9
Difficulty rating: 4.2
Rating: 4.2
2
9
9
4
5
8
9
3
8
2
7
7
2
9
6
5
6
1
3
6
1
9
4
7
5
3
Difficulty rating: 4.4
Rating: 4.4
7
2
3
8
6
8
3
6
1
8
6
5
7
4
1
4
5
6
7
6
2
1
8
4
2
5
4
9
3
8
9
4
Difficulty rating: 4.2
Rating: 4.2
6
2
1
8
6
9
2
8
7
5
4
5
9
6
8
2
1
1
5
7
4
4
9
7
7
1
2
Difficulty rating: 4.4
Rating: 4.4
3
5
8
8
6
7
4
2
3
6
8
9
4
5
7
2
7
8
2
7
3
5
1
2
3
6
8
7
Difficulty rating: 4.2
Rating: 4.2
1
4
8
2
1
6
8
5
6
2
6
1
3
9
2
5
1
7
9
1
8
3
6
4
1
9
Difficulty rating: 4.2
Rating: 4.2
7
4
5
9
6
5
8
7
9
2
8
7
8
5
7
9
8
4
2
4
2
9
7
5
2
5
3
9
9
6
2
3
Difficulty rating: 4.2
Rating: 4.2
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