Solution for Hard Sudoku #3186975213420
7
1
6
8
2
9
3
5
4
4
3
8
1
6
5
9
2
7
2
9
5
4
7
3
6
1
8
1
9
2
5
6
3
4
8
7
3
7
4
2
8
9
6
5
1
8
5
6
1
4
7
3
2
9
9
3
1
2
4
8
6
7
5
5
4
6
7
9
3
8
1
2
7
8
2
5
6
1
9
3
4
This Sudoku Puzzle has 51 steps and it is solved using Hidden Single, Naked Single, Full House techniques.
Try To Solve This PuzzleSolution Steps:
- Row 2 / Column 6 → 5 (Hidden Single)
- Row 3 / Column 2 → 5 (Hidden Single)
- Row 8 / Column 7 → 5 (Hidden Single)
- Row 5 / Column 5 → 8 (Hidden Single)
- Row 8 / Column 4 → 7 (Hidden Single)
- Row 8 / Column 9 → 1 (Hidden Single)
- Row 5 / Column 1 → 5 (Hidden Single)
- Row 6 / Column 3 → 7 (Hidden Single)
- Row 9 / Column 2 → 7 (Hidden Single)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 9 / Column 5 → 1 (Naked Single)
- Row 9 / Column 6 → 2 (Full House)
- Row 5 / Column 6 → 9 (Naked Single)
- Row 5 / Column 4 → 2 (Naked Single)
- Row 7 / Column 6 → 6 (Naked Single)
- Row 8 / Column 6 → 3 (Naked Single)
- Row 6 / Column 6 → 1 (Full House)
- Row 8 / Column 5 → 9 (Full House)
- Row 4 / Column 4 → 3 (Full House)
- Row 6 / Column 1 → 4 (Naked Single)
- Row 4 / Column 7 → 8 (Naked Single)
- Row 5 / Column 2 → 6 (Naked Single)
- Row 6 / Column 7 → 3 (Naked Single)
- Row 6 / Column 9 → 9 (Full House)
- Row 4 / Column 9 → 6 (Naked Single)
- Row 7 / Column 7 → 7 (Naked Single)
- Row 2 / Column 7 → 4 (Full House)
- Row 4 / Column 3 → 2 (Naked Single)
- Row 4 / Column 1 → 1 (Full House)
- Row 5 / Column 9 → 7 (Naked Single)
- Row 5 / Column 8 → 4 (Full House)
- Row 3 / Column 9 → 8 (Naked Single)
- Row 2 / Column 9 → 3 (Full House)
- Row 7 / Column 8 → 8 (Naked Single)
- Row 7 / Column 1 → 9 (Full House)
- Row 8 / Column 8 → 6 (Full House)
- Row 1 / Column 8 → 9 (Naked Single)
- Row 2 / Column 8 → 7 (Full House)
- Row 2 / Column 2 → 2 (Naked Single)
- Row 8 / Column 2 → 4 (Full House)
- Row 2 / Column 5 → 6 (Naked Single)
- Row 1 / Column 5 → 3 (Full House)
- Row 1 / Column 4 → 4 (Naked Single)
- Row 1 / Column 3 → 6 (Full House)
- Row 2 / Column 1 → 8 (Naked Single)
- Row 8 / Column 1 → 2 (Full House)
- Row 8 / Column 3 → 8 (Full House)
- Row 3 / Column 4 → 9 (Naked Single)
- Row 2 / Column 4 → 1 (Full House)
- Row 2 / Column 3 → 9 (Full House)
- Row 3 / Column 3 → 4 (Full House)
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