Very difficult sudoku - Page 462
Very difficult sudoku - random selection
Sudoku #26477
|
|
8 |
|
6 |
7 |
|
3 |
|
| 2 |
|
|
|
|
|
6 |
|
|
|
3 |
|
2 |
|
|
7 |
|
5 |
| 9 |
|
|
|
|
1 |
|
|
|
| 6 |
1 |
|
|
2 |
|
|
|
4 |
| 3 |
|
|
|
|
5 |
|
|
|
|
6 |
|
1 |
|
|
5 |
|
9 |
| 5 |
|
|
|
|
|
2 |
|
|
|
|
1 |
|
5 |
9 |
|
8 |
|
Sudoku #4117
|
|
5 |
|
6 |
|
9 |
|
|
|
2 |
|
|
|
8 |
1 |
|
5 |
| 7 |
|
9 |
|
2 |
|
|
|
|
| 4 |
3 |
|
2 |
|
|
|
|
|
|
|
|
1 |
|
6 |
|
|
|
|
|
|
|
|
7 |
|
1 |
3 |
|
|
|
|
7 |
|
3 |
|
6 |
| 6 |
|
3 |
9 |
|
|
|
8 |
|
|
|
7 |
|
4 |
|
5 |
|
|
5840138249264774117
List of very difficult sudoku - Page 462
Sudoku #17009
|
|
9 |
1 |
|
6 |
5 |
|
|
| 5 |
3 |
|
|
|
|
|
8 |
6 |
|
6 |
|
|
5 |
|
|
7 |
|
|
|
|
9 |
|
8 |
|
|
|
|
|
|
4 |
1 |
5 |
|
|
|
| 9 |
|
|
|
3 |
|
|
|
8 |
| 6 |
|
|
3 |
|
1 |
|
|
7 |
| 3 |
|
2 |
|
|
|
8 |
|
4 |
|
4 |
|
|
|
|
|
6 |
|
Sudoku #17005
| 9 |
3 |
1 |
|
|
|
2 |
|
|
|
5 |
|
|
|
|
|
|
9 |
|
|
|
|
9 |
|
|
4 |
1 |
| 8 |
7 |
9 |
|
|
6 |
|
|
|
|
|
|
|
|
|
|
5 |
6 |
| 4 |
6 |
5 |
|
|
7 |
|
|
|
|
|
|
|
4 |
|
|
1 |
5 |
|
4 |
|
|
|
|
|
|
8 |
| 3 |
1 |
7 |
|
|
|
4 |
|
|
Sudoku #17001
|
9 |
|
6 |
|
|
|
|
|
|
|
1 |
|
8 |
9 |
|
6 |
|
|
|
2 |
|
1 |
|
|
9 |
|
| 2 |
|
9 |
|
|
5 |
|
3 |
4 |
|
|
|
|
|
|
|
|
|
| 3 |
5 |
|
4 |
|
|
2 |
|
7 |
|
6 |
|
|
4 |
|
3 |
|
|
|
3 |
|
8 |
5 |
|
9 |
|
|
|
|
|
|
|
1 |
|
8 |
|
Sudoku #16997
| 1 |
|
|
|
|
|
7 |
|
|
|
|
3 |
4 |
|
|
|
|
|
| 4 |
|
8 |
9 |
|
1 |
|
|
3 |
| 5 |
|
|
3 |
|
|
|
|
|
|
|
|
2 |
|
|
|
5 |
1 |
|
|
9 |
|
|
8 |
6 |
4 |
|
|
|
|
|
|
|
|
2 |
|
| 8 |
|
2 |
1 |
4 |
|
|
|
|
|
4 |
6 |
|
8 |
|
|
|
|
Sudoku #16989
| 3 |
|
|
|
|
|
|
|
8 |
|
5 |
9 |
1 |
|
|
|
3 |
|
|
|
|
|
4 |
5 |
|
6 |
|
|
|
4 |
|
9 |
|
|
8 |
|
|
|
3 |
8 |
7 |
1 |
4 |
|
|
|
9 |
|
|
3 |
|
7 |
|
|
|
3 |
|
6 |
5 |
|
|
|
|
|
8 |
|
|
|
4 |
3 |
7 |
|
| 1 |
|
|
|
|
|
|
|
9 |
Sudoku #16985
|
|
8 |
5 |
|
|
|
|
|
| 1 |
|
|
6 |
|
9 |
|
|
|
| 9 |
7 |
|
|
|
4 |
|
|
|
|
|
7 |
|
|
5 |
2 |
|
4 |
|
|
|
|
|
|
5 |
|
|
|
9 |
|
3 |
|
6 |
|
|
|
| 3 |
|
|
4 |
|
|
|
|
7 |
| 5 |
|
|
|
7 |
1 |
8 |
|
|
|
4 |
|
|
6 |
|
1 |
|
|
Sudoku #16977
|
|
9 |
|
|
|
|
|
|
|
|
|
|
3 |
8 |
|
|
|
|
|
5 |
9 |
|
|
3 |
1 |
|
|
|
2 |
|
|
3 |
|
|
|
|
4 |
|
2 |
|
|
|
8 |
|
| 6 |
1 |
|
|
|
|
|
|
|
|
5 |
6 |
|
|
1 |
7 |
|
|
|
|
|
|
8 |
7 |
4 |
|
2 |
|
|
4 |
3 |
|
2 |
5 |
|
|
Sudoku #16969
| 2 |
|
5 |
7 |
|
1 |
9 |
|
3 |
|
1 |
|
8 |
|
9 |
|
7 |
|
| 7 |
|
|
|
6 |
|
|
|
4 |
| 6 |
|
|
|
|
|
|
|
7 |
| 9 |
|
8 |
|
|
|
1 |
|
5 |
|
7 |
1 |
|
|
|
4 |
2 |
|
| 8 |
|
|
3 |
|
7 |
|
|
9 |
|
|
|
4 |
|
2 |
|
|
|
|
|
|
|
8 |
|
|
|
|
Sudoku #16965
|
5 |
|
|
|
|
|
2 |
|
|
8 |
|
|
1 |
|
|
4 |
|
|
|
|
9 |
|
4 |
|
|
|
|
|
1 |
5 |
4 |
7 |
9 |
|
|
| 2 |
|
|
1 |
|
6 |
|
|
3 |
|
|
|
|
|
|
|
|
|
|
9 |
|
7 |
|
1 |
|
6 |
|
|
1 |
3 |
|
8 |
|
7 |
9 |
|
| 5 |
|
|
|
|
|
|
|
8 |
Sudoku #16961
| 7 |
1 |
3 |
|
|
6 |
|
8 |
|
|
|
|
3 |
|
|
|
|
7 |
|
9 |
6 |
|
|
|
|
|
|
|
|
|
|
8 |
|
|
|
|
|
2 |
1 |
|
3 |
|
|
|
|
| 8 |
|
4 |
1 |
|
|
|
|
|
| 4 |
|
|
|
9 |
|
5 |
|
1 |
| 6 |
|
7 |
|
4 |
|
|
|
2 |
|
|
|
7 |
|
|
|
6 |
|
Sudoku #16957
|
3 |
|
|
|
|
9 |
|
5 |
|
|
|
|
7 |
9 |
|
4 |
|
|
4 |
|
|
3 |
|
|
2 |
|
| 5 |
6 |
|
|
1 |
|
|
|
|
| 4 |
|
|
3 |
|
7 |
|
|
6 |
|
|
|
|
9 |
|
|
1 |
8 |
|
8 |
|
|
2 |
|
|
5 |
|
|
7 |
|
5 |
4 |
|
|
|
|
| 1 |
|
5 |
|
|
|
|
8 |
|
Sudoku #16953
|
8 |
|
5 |
|
|
4 |
|
|
|
7 |
|
|
|
1 |
|
2 |
8 |
| 9 |
|
3 |
8 |
|
|
5 |
|
|
|
6 |
|
|
|
|
1 |
|
3 |
|
|
|
|
7 |
|
|
|
|
| 4 |
|
8 |
|
|
|
|
6 |
|
|
|
6 |
|
|
4 |
9 |
|
5 |
| 2 |
9 |
|
7 |
|
|
|
3 |
|
|
|
1 |
|
|
3 |
|
4 |
|
Sudoku #16949
|
8 |
|
5 |
4 |
|
9 |
|
|
|
|
|
|
3 |
|
|
|
6 |
| 7 |
|
|
8 |
|
1 |
|
|
|
|
|
8 |
|
|
|
7 |
|
4 |
| 6 |
7 |
|
|
5 |
|
|
8 |
3 |
| 4 |
|
5 |
|
|
|
6 |
|
|
|
|
|
3 |
|
4 |
|
|
7 |
| 5 |
|
|
|
2 |
|
|
|
|
|
|
2 |
|
8 |
5 |
|
6 |
|
Sudoku #16941
| 1 |
|
|
|
|
|
|
|
2 |
|
7 |
4 |
|
|
|
6 |
3 |
|
|
|
|
1 |
|
6 |
|
|
|
|
|
|
5 |
|
7 |
|
|
|
| 5 |
|
1 |
|
6 |
|
4 |
|
7 |
|
9 |
|
|
|
|
|
2 |
|
| 7 |
|
3 |
6 |
|
1 |
8 |
|
5 |
| 9 |
|
|
|
7 |
|
|
|
3 |
|
|
|
3 |
|
9 |
|
|
|
Sudoku #16933
|
|
3 |
8 |
1 |
|
|
9 |
|
| 6 |
|
|
|
|
|
4 |
|
|
|
1 |
|
|
3 |
5 |
|
2 |
|
|
7 |
|
|
8 |
|
|
|
|
|
|
8 |
9 |
|
3 |
|
5 |
|
|
9 |
|
|
2 |
|
|
|
|
|
3 |
|
|
9 |
2 |
|
7 |
|
| 1 |
|
|
|
|
|
9 |
|
|
|
|
7 |
3 |
5 |
|
|
8 |
|
Sudoku #16917
|
5 |
8 |
|
7 |
|
|
|
|
|
|
|
|
|
9 |
|
|
1 |
|
|
6 |
3 |
4 |
|
7 |
|
9 |
|
6 |
|
|
|
|
9 |
|
|
| 1 |
|
2 |
|
|
|
6 |
|
8 |
|
|
7 |
|
|
|
|
4 |
|
| 7 |
|
1 |
|
8 |
6 |
5 |
|
|
| 4 |
|
|
2 |
|
|
|
|
|
|
|
|
|
3 |
|
4 |
2 |
|
Sudoku #16913
| 5 |
3 |
|
|
|
|
2 |
4 |
8 |
|
|
|
|
3 |
|
|
7 |
|
|
|
|
8 |
|
|
|
|
9 |
| 2 |
9 |
|
|
7 |
1 |
|
|
|
|
|
|
5 |
|
6 |
|
|
|
|
|
|
3 |
9 |
|
|
1 |
4 |
| 3 |
|
|
|
|
9 |
|
|
|
|
2 |
|
|
5 |
|
|
|
|
| 4 |
7 |
8 |
|
|
|
|
9 |
6 |
Sudoku #16905
|
8 |
|
|
|
|
|
|
9 |
|
|
|
|
3 |
7 |
|
|
|
| 2 |
|
6 |
|
4 |
|
|
|
|
| 1 |
|
|
8 |
|
|
|
5 |
6 |
| 8 |
9 |
|
|
2 |
|
|
1 |
|
| 3 |
|
|
4 |
|
|
|
8 |
7 |
| 6 |
|
1 |
|
7 |
|
|
|
|
|
|
|
|
5 |
4 |
|
|
|
|
4 |
|
|
|
|
|
|
1 |
17009170051700116997169931698916985169811697716973169691696516961169571695316949169451694116937169331692916925169211691716913169091690516901