Sudoku
A classic 9×9. Put 1 through 9 in every row, column, and box.
DIGIGMA
Binary Puzzle
Fill with 0s and 1s. Each row and column has equally many of each, no three identical in a line, and is unique.
Killer Sudoku
A 9×9 Sudoku whose cages must sum to the printed totals. Digits do not repeat in a cage.
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