Fill the 9Γ9 grid so every row, column, and 3Γ3 box contains digits 1β9.
πClick a cell to select it, then press a number 1β9 to place it.
βοΈToggle Notes mode (N key) to pencil in candidates instead of placing digits.
π΄Conflicts are highlighted in red. A cell conflicts when the same digit appears in its row, column, or box.
π‘Use up to 3 hints. Each hint reveals a cell's value and explains the logic.
πFill every cell correctly to complete the puzzle.
Keyboard shortcuts
Place digit1β9
EraseDelete
Notes modeN
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