Pro Tip

If you're stuck, look for Pointing Pairs: two candidates in a box that share a row or column.

Pro Tip
✓ Completed! 👍
4
7
9
2
4
7
1
6
7
8
3
2
9
1
8
4
8
1
1
5
9
6
3
5
Did You Know?

The 4×4 mini-Sudoku (with digits 1–4) is used in elementary schools worldwide as an introduction to logic puzzles.

Did You Know?