Solution for Evil Sudoku #1498735216495
1
6
5
2
7
4
3
9
8
8
4
7
9
3
6
2
5
1
3
9
2
1
8
5
4
7
6
5
2
1
7
8
6
9
4
3
6
7
3
4
9
2
5
1
8
8
4
9
5
1
3
2
6
7
6
5
7
8
3
2
4
1
9
3
8
4
1
6
9
7
2
5
9
2
1
7
5
4
6
3
8
This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Pair, Locked Triple, Locked Candidates Type 1 (Pointing) techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 6 → 3 (Naked Single)
- Row 6 / Column 6 → 8 (Naked Single)
- Row 4 / Column 4 → 6 (Naked Single)
- Row 6 / Column 4 → 5 (Naked Single)
- Row 5 / Column 5 → 9 (Full House)
- Row 3 / Column 9 → 6 (Hidden Single)
- Row 5 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 4 → 3 (Hidden Single)
- Row 5 / Column 3 → 6 (Hidden Single)
- Locked Pair: 1,5 in r5c78 => r4c8,r5c12<>1
- Locked Triple: 2,3,8 in r8c123 => r8c78,r9c2<>2, r79c1,r8c8,r9c2<>8
- Locked Candidates Type 1 (Pointing): 4 in b2 => r1c13<>4
- Locked Candidates Type 1 (Pointing): 2 in b3 => r1c5<>2
- Locked Candidates Type 1 (Pointing): 8 in b3 => r2c23<>8
- Locked Candidates Type 1 (Pointing): 9 in b8 => r13c6<>9
- Row 3 / Column 6 → 1 (Naked Single)
- Row 1 / Column 8 → 9 (Hidden Single)
- Row 8 / Column 8 → 5 (Naked Single)
- Row 5 / Column 8 → 1 (Naked Single)
- Row 2 / Column 8 → 8 (Naked Single)
- Row 5 / Column 7 → 5 (Naked Single)
- Row 2 / Column 7 → 1 (Naked Single)
- Row 2 / Column 9 → 5 (Naked Single)
- Row 1 / Column 9 → 2 (Full House)
- Row 2 / Column 3 → 4 (Naked Single)
- Locked Candidates Type 1 (Pointing): 4 in b4 => r9c2<>4
- Row 9 / Column 2 → 1 (Naked Single)
- Row 9 / Column 9 → 8 (Naked Single)
- Row 7 / Column 9 → 1 (Full House)
- Row 4 / Column 3 → 1 (Hidden Single)
- Row 1 / Column 3 → 5 (Naked Single)
- Row 1 / Column 5 → 4 (Naked Single)
- Row 3 / Column 3 → 8 (Naked Single)
- Row 8 / Column 3 → 2 (Full House)
- Row 1 / Column 6 → 7 (Naked Single)
- Row 1 / Column 1 → 1 (Full House)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 3 / Column 1 → 3 (Naked Single)
- Row 2 / Column 4 → 9 (Naked Single)
- Row 2 / Column 2 → 7 (Full House)
- Row 3 / Column 2 → 9 (Full House)
- Row 8 / Column 6 → 9 (Naked Single)
- Row 7 / Column 6 → 4 (Full House)
- Row 3 / Column 5 → 5 (Naked Single)
- Row 7 / Column 5 → 8 (Full House)
- Row 9 / Column 4 → 7 (Full House)
- Row 3 / Column 4 → 2 (Full House)
- Row 8 / Column 1 → 8 (Naked Single)
- Row 5 / Column 2 → 8 (Naked Single)
- Row 5 / Column 1 → 7 (Full House)
- Row 8 / Column 7 → 7 (Naked Single)
- Row 8 / Column 2 → 3 (Full House)
- Row 7 / Column 1 → 6 (Naked Single)
- Row 9 / Column 1 → 4 (Full House)
- Row 9 / Column 7 → 6 (Full House)
- Row 7 / Column 8 → 2 (Naked Single)
- Row 7 / Column 7 → 9 (Full House)
- Row 6 / Column 7 → 2 (Full House)
- Row 4 / Column 8 → 4 (Naked Single)
- Row 4 / Column 2 → 2 (Full House)
- Row 6 / Column 2 → 4 (Full House)
- Row 6 / Column 8 → 6 (Full House)
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