Hints for SUDOKU #13

Difficulty: Fiendish

Spoiler-safe hints for the SUDOKU puzzle of October 3, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

57 squares to fill. Work box by box: pick a number and see how many squares in the box it can still go in.

Hint 2

The easiest square on the board right now is row 5, column 5. Look at what its row, column and box already hold.

Hint 3

Row 5, column 5 is a 7.

The answer

Contains the answer. Open only if you are stuck.

6 7 3 | 5 8 9 | 4 2 1
4 8 2 | 7 3 1 | 5 9 6
5 9 1 | 2 4 6 | 3 8 7
---------------------
9 6 8 | 4 1 5 | 7 3 2
1 2 5 | 3 7 8 | 6 4 9
3 4 7 | 6 9 2 | 8 1 5
---------------------
2 5 9 | 8 6 4 | 1 7 3
7 1 4 | 9 5 3 | 2 6 8
8 3 6 | 1 2 7 | 9 5 4

Play this puzzle Today's hints Archive

SUDOKU

The logic puzzle everyone knows: fill the grid so every row, every column and every 3×3 box holds 1 to 9 exactly once. One grid a day, gentle on Monday and hardest on Saturday, with pencil notes, undo and a check button whenever you want one.