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