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