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