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