Solution for Evil Sudoku #3261598327492
1
7
9
2
8
5
4
6
3
4
2
6
1
3
7
9
5
8
5
3
8
6
4
9
2
1
7
3
2
1
5
9
6
7
4
8
7
8
9
2
1
4
5
6
3
4
5
6
7
8
3
9
2
1
6
1
2
9
3
7
8
5
4
3
7
5
8
4
2
6
9
1
8
9
4
1
6
5
3
7
2
This Sudoku Puzzle has 71 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Full House, Naked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 2 / Column 6 → 7 (Hidden Single)
- Row 9 / Column 8 → 7 (Hidden Single)
- Row 4 / Column 9 → 6 (Hidden Single)
- Row 5 / Column 3 → 6 (Hidden Single)
- Row 6 / Column 9 → 1 (Hidden Single)
- Locked Pair: 4,8 in r6c23 => r4c13,r6c178<>4, r4c13,r6c148<>8
- Row 6 / Column 1 → 7 (Naked Single)
- Row 4 / Column 4 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b2 => r789c6<>6
- Locked Candidates Type 1 (Pointing): 1 in b4 => r4c56<>1
- Locked Candidates Type 1 (Pointing): 9 in b5 => r4c78<>9
- Locked Candidates Type 1 (Pointing): 8 in b6 => r12c8<>8
- Locked Candidates Type 1 (Pointing): 2 in b7 => r7c46<>2
- Locked Candidates Type 2 (Claiming): 1 in c2 => r7c13,r9c13<>1
- Locked Candidates Type 2 (Claiming): 9 in c9 => r1c78,r2c8<>9
- Locked Pair: 3,5 in r1c78 => r1c13,r3c7<>3, r1c36,r2c8,r3c7<>5
- Row 2 / Column 3 → 5 (Hidden Single)
- Row 2 / Column 9 → 9 (Hidden Single)
- Row 1 / Column 9 → 8 (Full House)
- Row 1 / Column 6 → 6 (Naked Single)
- Row 1 / Column 1 → 1 (Naked Single)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 4 / Column 1 → 3 (Naked Single)
- Row 4 / Column 3 → 1 (Naked Single)
- Locked Candidates Type 1 (Pointing): 8 in b2 => r3c123<>8
- Naked Pair: 4,8 in r26c2 => r38c2<>4, r8c2<>8
- Locked Candidates Type 1 (Pointing): 4 in b7 => r9c56<>4
- Locked Candidates Type 1 (Pointing): 8 in b7 => r9c456<>8
- Locked Pair: 1,9 in r9c56 => r78c6,r8c5,r9c7<>1, r7c6,r9c7<>9
- Row 9 / Column 7 → 3 (Naked Single)
- Row 7 / Column 6 → 5 (Naked Single)
- Row 1 / Column 7 → 5 (Naked Single)
- Row 1 / Column 8 → 3 (Full House)
- Row 8 / Column 7 → 1 (Naked Single)
- Row 8 / Column 8 → 6 (Naked Single)
- Row 7 / Column 8 → 9 (Full House)
- Row 9 / Column 4 → 6 (Naked Single)
- Row 3 / Column 6 → 8 (Naked Single)
- Row 3 / Column 5 → 5 (Full House)
- Row 4 / Column 7 → 4 (Naked Single)
- Row 8 / Column 2 → 3 (Naked Single)
- Row 7 / Column 4 → 3 (Naked Single)
- Row 3 / Column 7 → 2 (Naked Single)
- Row 2 / Column 8 → 4 (Full House)
- Row 6 / Column 7 → 9 (Full House)
- Row 4 / Column 6 → 9 (Naked Single)
- Row 3 / Column 2 → 6 (Naked Single)
- Row 7 / Column 3 → 2 (Naked Single)
- Row 2 / Column 2 → 8 (Naked Single)
- Row 2 / Column 1 → 2 (Full House)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 4 / Column 8 → 5 (Full House)
- Row 9 / Column 6 → 1 (Naked Single)
- Row 3 / Column 1 → 4 (Naked Single)
- Row 3 / Column 3 → 3 (Full House)
- Row 7 / Column 2 → 1 (Naked Single)
- Row 7 / Column 1 → 6 (Full House)
- Row 6 / Column 2 → 4 (Full House)
- Row 9 / Column 1 → 8 (Full House)
- Row 6 / Column 3 → 8 (Full House)
- Row 9 / Column 3 → 4 (Full House)
- Row 9 / Column 5 → 9 (Full House)
- Row 5 / Column 4 → 2 (Naked Single)
- Row 8 / Column 5 → 4 (Naked Single)
- Row 5 / Column 5 → 1 (Full House)
- Row 6 / Column 8 → 2 (Naked Single)
- Row 5 / Column 8 → 8 (Full House)
- Row 5 / Column 6 → 4 (Full House)
- Row 6 / Column 4 → 5 (Full House)
- Row 8 / Column 4 → 8 (Full House)
- Row 8 / Column 6 → 2 (Full House)
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