Number logic

Printable Sudoku

Each row, column and box must contain every digit exactly once. Choose the level that fits you.

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How Sudoku works

Place digits 1–9 so each appears once in every row, column and 3x3 box. The 4x4 version uses digits 1–4 and 2x2 boxes.

Printing and answers

Print mode places every worksheet on its own page. Answers automatically follow on separate sheets.