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2026-08-19 Problems

Beginner
6
9
7
5
4
2
7
5
2
2
1
6
9
1
2
3
5
4
2
6
4
2
8
1
6
9
3
5
6
9
7
4
1
7
2
8
1
9
6
7
5
Intermediate
3
2
8
1
8
7
3
4
5
9
4
2
2
3
9
2
5
1
8
3
9
8
3
1
2
7
5
8
1
6
3
Advanced
1
2
7
4
8
9
5
3
5
2
9
4
9
1
5
3
7
2
9
1
9
7
6
4
2