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Sudoku/ Gentle catalogue

Sudoku No. 63

Gentle0:00
6
8
4
2
1
9
6
1
5
2
7
3
8
5
6
9
7
5
1
4
6
9
3
7
1
5
2
3
4
9
4
7
2
9
6
5
←↑→↓ move, 1–9 enter, Shift+digit or N for notes, ⌫ erase, Ctrl+Z undo.

How to play Sudoku

  • Fill every empty square with a digit from 1 to 9.
  • Each row, each column and each of the nine 3×3 boxes contains every digit exactly once.
  • The printed digits are fixed. Every puzzle has one solution and never needs a guess.

←↑→↓ move, 1–9 enter, Shift+digit or N for notes, ⌫ erase, Ctrl+Z undo.

Hints explain one step from your current board. Reveal fills in what a hint proved and is counted separately.