So berechnen Sie Sudoku Puzzles
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Sudoku is a logic-based number puzzle. Fill a 9×9 grid so every row, column, and 3×3 box contains digits 1–9 exactly once. A valid puzzle has exactly one solution. Sudoku requires no arithmetic — just logical deduction.
Schritt-für-Schritt-Anleitung
- 1Naked singles: a cell can only contain one digit
- 2Hidden singles: a digit can only go in one cell within a row/column/box
- 3Naked pairs/triples: eliminate candidates from other cells
- 4Advanced: X-wings, swordfish, and coloring techniques
Gelöste Beispiele
Eingabe
9×9 grid with seed numbers
Ergebnis
Generates valid solvable puzzle or validates solution
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