Solution for Evil Sudoku #1221713524895
9
1
7
8
6
4
2
3
8
6
7
4
2
1
9
5
2
5
4
7
3
8
7
9
6
6
2
8
1
9
2
4
5
3
8
6
7
4
1
8
2
4
7
6
5
9
3
4
7
8
3
9
9
5
2
1
2
5
3
4
1
7
8
6
1
8
2
5
3
4
7
This Sudoku Puzzle has 47 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Full House, Give Up techniques.
Try To Solve This PuzzleSolution Steps:
- Row 7 / Column 1 → 4 (Hidden Single)
- Locked Pair: 6,9 in r46c4 => r2379c4,r46c6,r5c5<>6, r2379c4,r46c6,r5c5<>9
- Row 7 / Column 4 → 2 (Naked Single)
- Row 5 / Column 5 → 3 (Naked Single)
- Row 6 / Column 6 → 4 (Naked Single)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 8 / Column 8 → 2 (Hidden Single)
- Row 9 / Column 2 → 2 (Hidden Single)
- Row 5 / Column 7 → 4 (Hidden Single)
- Row 3 / Column 3 → 2 (Hidden Single)
- Row 8 / Column 6 → 7 (Hidden Single)
- Row 9 / Column 4 → 8 (Naked Single)
- Row 3 / Column 4 → 1 (Naked Single)
- Row 2 / Column 4 → 7 (Naked Single)
- Row 5 / Column 8 → 7 (Hidden Single)
- Row 9 / Column 9 → 7 (Hidden Single)
- Row 8 / Column 7 → 8 (Hidden Single)
- Row 9 / Column 1 → 5 (Hidden Single)
- Row 3 / Column 2 → 4 (Hidden Single)
- Row 1 / Column 3 → 7 (Hidden Single)
- Row 7 / Column 6 → 3 (Hidden Single)
- Row 9 / Column 7 → 3 (Hidden Single)
- Row 8 / Column 1 → 3 (Hidden Single)
- Row 1 / Column 9 → 4 (Hidden Single)
- Row 7 / Column 5 → 5 (Hidden Single)
- Row 9 / Column 5 → 6 (Hidden Single)
- Row 3 / Column 9 → 8 (Hidden Single)
- Row 3 / Column 5 → 9 (Naked Single)
- Row 1 / Column 5 → 8 (Full House)
- Row 3 / Column 1 → 6 (Naked Single)
- Row 1 / Column 1 → 9 (Full House)
- Row 3 / Column 6 → 5 (Full House)
- Row 5 / Column 1 → 9 (Full House)
- Row 1 / Column 6 → 6 (Full House)
- Row 1 / Column 8 → 5 (Full House)
- Row 5 / Column 2 → 6 (Naked Single)
- Row 5 / Column 3 → 6 (Naked Single)
- Row 8 / Column 2 → 9 (Full House)
- Row 8 / Column 3 → 9 (Full House)
- Row 5 / Column 9 → 6 (Naked Single)
- Row 6 / Column 7 → 5 (Hidden Single)
- Row 6 / Column 2 → 8 (Naked Single)
- Row 6 / Column 8 → 9 (Naked Single)
- Row 6 / Column 4 → 6 (Full House)
- Row 4 / Column 4 → 9 (Full House)
- Row 4 / Column 8 → 8 (Naked Single)
- Give Up: Don't know how to proceed!
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