Solution for Evil Sudoku #3157184962396
8
3
2
7
1
5
6
9
4
7
6
5
9
2
4
1
3
8
9
4
1
6
3
8
5
7
2
3
5
6
1
8
7
2
4
9
8
1
9
5
4
2
3
7
6
7
2
4
3
6
9
1
8
5
5
2
1
9
7
8
4
6
3
6
8
7
4
5
3
2
9
1
4
9
3
2
1
6
8
5
7
This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 2 → 5 (Hidden Single)
- Row 1 / Column 4 → 7 (Hidden Single)
- Row 2 / Column 7 → 6 (Hidden Single)
- Row 7 / Column 4 → 6 (Hidden Single)
- Row 8 / Column 1 → 9 (Hidden Single)
- Row 9 / Column 6 → 1 (Hidden Single)
- Row 2 / Column 5 → 2 (Hidden Single)
- Row 8 / Column 5 → 5 (Hidden Single)
- Row 9 / Column 4 → 2 (Hidden Single)
- Row 8 / Column 3 → 8 (Hidden Single)
- Row 8 / Column 2 → 7 (Hidden Single)
- Row 6 / Column 5 → 7 (Hidden Single)
- Row 5 / Column 3 → 7 (Hidden Single)
- Locked Pair: 2,3 in r1c23 => r1c19,r3c13<>2, r1c79<>3
- Row 1 / Column 1 → 8 (Naked Single)
- Locked Candidates Type 1 (Pointing): 4 in b1 => r3c6<>4
- Locked Candidates Type 1 (Pointing): 3 in b5 => r6c78<>3
- Locked Pair: 2,8 in r46c8 => r239c8,r4c9,r6c7<>8, r3c8,r4c9<>2
- Row 2 / Column 8 → 3 (Naked Single)
- Row 3 / Column 9 → 2 (Hidden Single)
- Row 3 / Column 8 → 7 (Hidden Single)
- Row 9 / Column 8 → 5 (Naked Single)
- Row 9 / Column 1 → 4 (Naked Single)
- Row 3 / Column 1 → 6 (Naked Single)
- Row 5 / Column 1 → 1 (Naked Single)
- Row 9 / Column 3 → 3 (Naked Single)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 5 / Column 5 → 4 (Naked Single)
- Row 4 / Column 5 → 1 (Full House)
- Row 6 / Column 1 → 2 (Naked Single)
- Row 7 / Column 1 → 5 (Full House)
- Row 1 / Column 3 → 2 (Naked Single)
- Row 1 / Column 2 → 3 (Full House)
- Row 7 / Column 2 → 2 (Naked Single)
- Row 6 / Column 2 → 4 (Full House)
- Row 4 / Column 3 → 6 (Full House)
- Row 7 / Column 3 → 1 (Full House)
- Row 9 / Column 7 → 8 (Naked Single)
- Row 9 / Column 9 → 7 (Full House)
- Row 6 / Column 8 → 8 (Naked Single)
- Row 4 / Column 8 → 2 (Full House)
- Row 6 / Column 7 → 1 (Naked Single)
- Row 3 / Column 7 → 5 (Naked Single)
- Row 3 / Column 6 → 8 (Full House)
- Row 6 / Column 4 → 3 (Naked Single)
- Row 6 / Column 6 → 6 (Full House)
- Row 1 / Column 7 → 9 (Naked Single)
- Row 4 / Column 6 → 9 (Naked Single)
- Row 4 / Column 4 → 8 (Full House)
- Row 4 / Column 9 → 4 (Full House)
- Row 8 / Column 4 → 4 (Naked Single)
- Row 2 / Column 4 → 9 (Full House)
- Row 8 / Column 6 → 3 (Full House)
- Row 1 / Column 6 → 5 (Naked Single)
- Row 1 / Column 9 → 1 (Full House)
- Row 2 / Column 9 → 8 (Full House)
- Row 2 / Column 6 → 4 (Full House)
- Row 5 / Column 7 → 3 (Naked Single)
- Row 5 / Column 9 → 9 (Full House)
- Row 7 / Column 9 → 3 (Full House)
- Row 7 / Column 7 → 4 (Full House)
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