Sign-Up
Play Sudoku
Daily challenge
Sudoku Tips & Tricks
Sudoku Printables
Sudoku Editor
Log-In
MENU
Close
Sign-Up
Log-In
Play Sudoku
Sudoku Tips & Tricks
Daily challenge
Sudoku Printables
Sudoku Editor
My Profile
Log-Out
Hard Sudoku #133713524895
00:00
4
1
7
1
3
2
8
5
1
9
3
7
2
3
5
1
4
3
3
3
7
7
8
3
3
9
9
7
2
1
2
3
4
5
6
7
8
9
Erase
Undo
Notes
Hint
?
Solution
Share
Erase