Very difficult sudoku - Page 522

Very difficult sudoku - random selection

List of very difficult sudoku - Page 522

Sudoku #5003
5 2 4
8 5
1 3 8
6 3
7 2 5
9 1
6 5 7
4 9 3 1
2 8 9

Sudoku #5002
1 2 3 6 9
9 1
5
2 1 7 4
6
3 6 8
7 4 6 2
8 3 1
4

Sudoku #5001
9 7
8 6 7 5 9
7 8 4
7 5
1 8 3 4 7
9 2
9 8 2
6 7 8 3 5
5 1

Sudoku #5000
8 2
9 4 7
7 5 1 6
4 8
8 3
1 6
6 3 4 9
9 1 2
2 8

Sudoku #4999
3 1
3 5 4
7 2
9 3
8 5
7 1 9 8
6 7 3 2 9
8 4 7
2 5

Sudoku #4998
3 8
3 2 5
9 4
9 7 3 2 8
3 1 9 4 2
8 1 7 9 6
9 2
1 6 7
3 4

Sudoku #4997
6 9
2 4 9
7 1 3 6
1 2 3
7 4 2 5
8 2 1
1 8 6 4
9 7 2
4 1

Sudoku #4996
5 1 2
4 1
6 9
8 9
7 5
9 2 5 7 8
8 2
8 6 4
4 6 5

Sudoku #4995
3 7 5 9 1 2
1 3
9 2 5
4 8
4 6 8
9 7
9 3 1
1 4 9 3
5 3 4 2

Sudoku #4994
8 9
6 3 1
1 2 4 9
6 3 2 8
7 1 4
1 5 6 2
9 8 1 5
4 9 7
2 4

Sudoku #4993
1 2 9 8
3 1
9 5 4
7 5
9 5 6 3 7
8 1
2 6 9
4 6
6 9 8 7

Sudoku #4992
6 5 7 2
2 1
4 9 1 7 6
1 9
9 4 1
6 2
1 7 3 9 6
5 7
2 6 3 8

Sudoku #4991
2
1 5 4 9
6 8
2 8 4 3
5 9 3 6
8 6 7 9
8 6
4 6 9 3
5

Sudoku #4990
7 9 6 4
9 5 8 1
4 8 2 3 6 1
9 3 1 5 8 2
3 6 2 4 9
4 2
7 3 8

Sudoku #4989
2 5
6 2
4 5 3
9 8 3 7
4 8 5
9 1
4 6 3 5
3
7 9 4

Sudoku #4988
3 5 1 6 2
2 5
5 4
2 6 9 7
5 8
4 9
5 1 9 4 8
2 1
7 1 8 2

Sudoku #4987
6 7 4
3 1 8
2
7 6 5 2 9
2 1
4 5 3
4 6 2 3 7
4 9 5

Sudoku #4986
5
1 2 3 7
7 8 6
8 6 5
9
5 1
2 8 3 4 1
3 8
4 2 9

Sudoku #4985
5 1 6
5 6 2
2 3 5
2 8 4
6 1
4 9 8
3 8 9
7 6 4
5 1 3

Sudoku #4984
8 5 9 4
6 1 5
8 9
3 4 9
8 9 6 7
9 3 4
3 8
4 2 5
5 1 2 8

Sudoku #4983
3 1 6
2 7 8
1 4 9
5 8 9 2
2 3 5 4
7 9
3 1 8
6 2
5 8

Sudoku #4982
9 1 2
5 2 9
4 8 7 5
6 1
1 5 7 2
7 2
5 9 6 3
6 1 7
7 2 8

Sudoku #4981
4 7 8
2 6
1 5
2 7 9
8
5 9 7
1 7 9
3 5 6
5 8 1

Sudoku #4980
9 5 8 7
4 5
5 1 2
1 7 6 8
4 9
6 1 9 3
6 8 1
1 3
5 8 7 6

Sudoku #4979
5 1 2
4 1
2 8 3 7
2 6 9 5
6 5 1
5 1 6 3
4 1 5 6
7 2
8 7 6

Sudoku #4978
2 6 5
4 8 7
9 5 3
4 1 6 3
7 8 6
6 3 1 7
1 7 8
3 7 5
7 9 4

Sudoku #4977
1 9
4 5
3 8 7
9 8
5 2 4 7
4 8 3
3 9 1
6 2
2 7 4

Sudoku #4976
6 4 3
9
2 4
5 2
3
4 5 6 7
8 3
3 2 1 9
9 8 4 6