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