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.
7
4
5
8
9
2
1
5
4
8
2
9
5
6
1
6
8
7
3
5
1
7
5
1
6
8
4
5
7
3
9
2
3
6
9
2
1
7
Select a cell, then tap a number or use your keyboard. Toggle Notes to pencil in candidates.