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