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2026-06-27 Problems

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