Live puzzle
Sudoku
Fill every row, column, and 3×3 box with digits 1–9 — no repeats. Use notes for candidates or ask for a hint when stuck.
4
5
8
6
4
9
2
1
7
8
3
9
1
2
7
9
8
3
2
1
4
1
9
7
7
8
3
4
Select a cell, then tap a number or use your keyboard. Toggle Notes to pencil in candidates.