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