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