Solution for Evil Sudoku #1144713524895
8
9
1
2
6
3
4
5
7
4
2
3
5
7
9
1
2
6
6
5
7
1
8
4
3
8
9
9
2
6
5
4
8
3
7
8
3
8
1
2
6
7
9
5
1
5
7
4
3
1
9
2
4
6
7
3
5
1
3
4
6
8
2
6
9
4
8
9
2
7
1
4
8
2
1
7
6
5
3
9
9
This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 9 / Column 5 → 1 (Hidden Single)
- Row 8 / Column 3 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 8 in b6 => r13c9<>8
- Locked Candidates Type 2 (Claiming): 8 in r1 => r2c1<>8
- Locked Candidates Type 2 (Claiming): 3 in r9 => r78c8,r8c9<>3
- Naked Triple: 3,6,9 in r46c4,r5c5 => r46c6<>6, r46c6<>9
- Row 4 / Column 6 → 1 (Naked Single)
- Row 6 / Column 6 → 1 (Naked Single)
- Row 1 / Column 3 → 1 (Hidden Single)
- Row 2 / Column 7 → 1 (Hidden Single)
- Row 1 / Column 1 → 8 (Hidden Single)
- Row 2 / Column 1 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b1 => r78c2<>5
- Locked Candidates Type 1 (Pointing): 6 in b1 => r678c2<>6
- Locked Candidates Type 1 (Pointing): 9 in b1 => r678c2<>9
- Row 6 / Column 2 → 7 (Naked Single)
- Row 8 / Column 2 → 3 (Naked Single)
- Row 7 / Column 2 → 3 (Naked Single)
- Row 4 / Column 8 → 7 (Hidden Single)
- Row 7 / Column 1 → 7 (Hidden Single)
- Row 1 / Column 9 → 7 (Hidden Single)
- Row 4 / Column 4 → 3 (Hidden Single)
- Row 2 / Column 5 → 7 (Hidden Single)
- Naked Triple: 5,6,9 in r4c13,r5c1 => r5c3<>5, r56c3<>6, r56c3<>9
- Row 5 / Column 3 → 8 (Naked Single)
- Row 6 / Column 3 → 8 (Naked Single)
- Naked Triple: 2,6,9 in r135c5 => r78c5<>2, r78c5<>6, r78c5<>9
- Row 7 / Column 5 → 9 (Naked Single)
- Row 8 / Column 5 → 9 (Naked Single)
- Row 5 / Column 5 → 6 (Naked Single)
- Row 1 / Column 5 → 2 (Naked Single)
- Row 3 / Column 5 → 2 (Naked Single)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 8 / Column 6 → 2 (Hidden Single)
- Row 8 / Column 8 → 6 (Naked Single)
- Row 7 / Column 8 → 2 (Naked Single)
- Row 8 / Column 9 → 5 (Naked Single)
- Row 8 / Column 4 → 8 (Naked Single)
- Row 7 / Column 4 → 6 (Hidden Single)
- Row 2 / Column 4 → 5 (Full House)
- Row 7 / Column 3 → 5 (Naked Single)
- Row 9 / Column 3 → 2 (Hidden Single)
- Row 6 / Column 7 → 2 (Hidden Single)
- Row 6 / Column 9 → 6 (Naked Single)
- Row 3 / Column 2 → 5 (Hidden Single)
- Row 9 / Column 1 → 6 (Hidden Single)
- Row 4 / Column 3 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 9 in b8 => r13459c7<>9
- Row 1 / Column 7 → 6 (Naked Single)
- Row 1 / Column 2 → 9 (Full House)
- Row 2 / Column 2 → 6 (Full House)
- Row 4 / Column 7 → 5 (Naked Single)
- Row 9 / Column 7 → 3 (Full House)
- Row 3 / Column 7 → 3 (Full House)
- Row 4 / Column 1 → 9 (Full House)
- Row 5 / Column 7 → 3 (Full House)
- Row 9 / Column 8 → 9 (Full House)
- Row 9 / Column 9 → 9 (Full House)
- Row 3 / Column 9 → 9 (Full House)
- Row 5 / Column 1 → 5 (Full House)
- Row 5 / Column 9 → 9 (Full House)
- Row 2 / Column 8 → 8 (Full House)
- Row 3 / Column 8 → 8 (Full House)
- Row 2 / Column 6 → 9 (Full House)
- Row 3 / Column 6 → 6 (Naked Single)
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