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How to Videos Forum Timed Rankings Books PDF Print 21 Jan 2026
Easy:
4×4
5×5
Sudoku
Medium:
4×4
5×5
6×6
7×7
8×8
Killer
Sudoku
Difficult:
4×4
5×5
7×7
Extra
Medium Killer Sudoku, Rating: ★★★  Points: 7     Solved 161 times
abcdefghi
1 
17
 
 
6
23
9
 
18
 
Clear cell
Bold cell
Toggle pencil mode
Hide buttons
Change buttons position
Undo
2 
6
14
 
 
 
 
12
 
8
3 
 
 
19
 
 
15
 
4
 
4 
11
 
 
22
19
 
14
 
12
5 
 
10
 
 
 
 
 
14
 
6 
16
 
 
21
 
4
11
 
9
7 
 
 
 
 
15
 
 
 
 
8 
9
 
 
23
 
 
14
 
15
9 
 
15
 
 
 
 
 
 
 
Undo
Start over
Change puzzle size
total
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