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