Killer Sudoku
Easy
Medium
Hard
Expert
Diabolical
10
25
7
13
25
2
11
7
26
7
9
9
11
19
3
14
9
9
2
9
15
13
9
14
18
11
7
20
6
12
20
3
8
5
11
6
1
2
3
4
5
6
7
8
9
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Verified puzzle
· Difficulty:
Hard
· Cages:
36
· Solver steps:
387
· Search depth:
0
· Solutions:
1