Sudoku Trivia

There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.

Sudoku Trivia
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6
3
5
7
9
8
5
4
5
2
2
9
3
6
1
3
2
5
1
8
9
8
7
4
Sudoku Trivia

There are Sudoku variants with extra constraints: Killer Sudoku (cage sums), Diagonal Sudoku, and even 3D Sudoku.

Sudoku Trivia