Solution for Evil Sudoku #1273713524895
5
1
4
8
3
9
2
6
4
3
6
9
7
4
2
1
9
9
7
2
8
5
1
1
7
3
8
7
4
5
1
9
2
7
8
3
9
2
6
5
3
8
1
7
4
1
8
7
4
6
6
2
5
3
4
7
8
3
6
2
9
5
1
6
5
5
4
1
7
2
8
3
3
9
9
8
8
5
6
4
2
This Sudoku Puzzle has 64 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Pair, Naked Single, Locked Pair, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Hidden Pair
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 2 / Column 4 → 7 (Hidden Single)
- Row 2 / Column 2 → 3 (Hidden Single)
- Row 5 / Column 5 → 3 (Hidden Single)
- Row 5 / Column 1 → 1 (Hidden Single)
- Row 8 / Column 6 → 7 (Hidden Single)
- Row 7 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 7 → 3 (Hidden Single)
- Row 8 / Column 1 → 3 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b2 => r3c9<>1
- Locked Candidates Type 1 (Pointing): 4 in b3 => r5c9<>4
- Locked Candidates Type 1 (Pointing): 5 in b7 => r9c5<>5
- Locked Candidates Type 1 (Pointing): 8 in b8 => r9c79<>8
- Locked Candidates Type 2 (Claiming): 8 in c9 => r1c8<>8
- Hidden Pair: 4,8 in r13c9 => r13c9<>2, r13c9<>6, r13c9<>9
- Row 1 / Column 8 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b3 => r2c3<>5
- Locked Candidates Type 1 (Pointing): 6 in b3 => r2c3<>6
- Row 2 / Column 3 → 9 (Naked Single)
- Row 9 / Column 1 → 9 (Hidden Single)
- Row 3 / Column 1 → 2 (Hidden Single)
- Row 9 / Column 2 → 5 (Hidden Single)
- Row 1 / Column 1 → 5 (Hidden Single)
- Row 4 / Column 3 → 5 (Hidden Single)
- Locked Pair: 4,6 in r13c3 => r3c2,r5c3<>4, r3c2,r58c3<>6
- Row 5 / Column 3 → 2 (Naked Single)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 3 / Column 2 → 6 (Naked Single)
- Row 8 / Column 2 → 6 (Naked Single)
- Row 1 / Column 3 → 4 (Naked Single)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 1 / Column 9 → 8 (Naked Single)
- Row 3 / Column 9 → 8 (Naked Single)
- Row 6 / Column 7 → 2 (Hidden Single)
- Row 9 / Column 7 → 6 (Naked Single)
- Row 2 / Column 7 → 5 (Naked Single)
- Row 9 / Column 5 → 8 (Naked Single)
- Row 9 / Column 9 → 2 (Full House)
- Row 9 / Column 4 → 2 (Full House)
- Row 5 / Column 7 → 4 (Hidden Single)
- Row 5 / Column 2 → 9 (Naked Single)
- Row 5 / Column 8 → 6 (Full House)
- Row 5 / Column 9 → 6 (Full House)
- Row 2 / Column 8 → 1 (Full House)
- Row 2 / Column 9 → 1 (Full House)
- Row 7 / Column 8 → 9 (Naked Single)
- Row 8 / Column 7 → 8 (Full House)
- Row 7 / Column 9 → 9 (Naked Single)
- Row 4 / Column 8 → 8 (Naked Single)
- Row 7 / Column 4 → 6 (Naked Single)
- Row 8 / Column 8 → 8 (Naked Single)
- Row 4 / Column 2 → 4 (Naked Single)
- Row 6 / Column 2 → 8 (Full House)
- Row 6 / Column 8 → 5 (Naked Single)
- Row 4 / Column 4 → 9 (Naked Single)
- Row 4 / Column 6 → 6 (Full House)
- Row 7 / Column 5 → 5 (Naked Single)
- Row 7 / Column 6 → 5 (Naked Single)
- Row 3 / Column 4 → 1 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 1 / Column 6 → 9 (Naked Single)
- Row 1 / Column 5 → 6 (Full House)
- Row 3 / Column 5 → 9 (Full House)
- Row 3 / Column 6 → 9 (Full House)
- Row 6 / Column 6 → 4 (Naked Single)
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