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9 × 9 · hardProgress saves automatically
Tap cycles a cell: shade it, circle it as safe, or clear it. Shade duplicates so no number repeats in a row or column — shaded cells may never touch, and the white cells must stay connected.
Shared
Hitori 9 × 9 · hard #002
A shareable Hitori board. Play it here, or copy the link for someone else.