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Medium Sudoku

Free Medium Sudoku

Nine puzzles that add locked candidates and pairs. Progress stays in this browser.

Medium samples

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Nine free Medium Sudoku puzzles.

Restart this practice puzzle?

Your entries, notes, history, selection, and elapsed time for this sample will be cleared. The given digits stay the same.

Reveal this practice puzzle's solution?

Revealing ends this attempt. The exact solution will be shown, this attempt will be marked assisted, and you will need to Restart to play it again.

New techniques at this level

Medium puzzles may need locked candidates, naked pairs, or hidden pairs after singles stop producing a placement.

Read the technique guide ›