Solution for Evil Sudoku #1367234859195
2
3
1
6
2
7
1
3
9
3
7
8
2
5
1
4
9
5
9
8
3
4
6
2
6
4
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 4 → 3 (Naked Single)
- Row 4 / Column 6 → 7 (Naked Single)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 6 / Column 6 → 4 (Naked Single)
- Row 5 / Column 5 → 6 (Full House)
- Row 1 / Column 5 → 3 (Hidden Single)
- Row 1 / Column 3 → 9 (Hidden Single)
- Row 6 / Column 7 → 3 (Hidden Single)
- Row 7 / Column 5 → 9 (Hidden Single)
- Locked Pair: 4,5 in r23c5 => r2c4,r89c5<>5
- Locked Triple: 3,7,8 in r789c8 => r2c8,r89c9,r9c7<>7, r23c8,r8c9<>8
- Locked Candidates Type 1 (Pointing): 7 in b1 => r78c2<>7
- Locked Candidates Type 1 (Pointing): 8 in b1 => r5c1<>8
- Locked Candidates Type 1 (Pointing): 1 in b4 => r79c1<>1
- Locked Candidates Type 1 (Pointing): 6 in b6 => r4c13<>6
- Row 4 / Column 3 → 5 (Naked Single)
- Row 2 / Column 1 → 6 (Hidden Single)
- Row 2 / Column 8 → 4 (Naked Single)
- Row 2 / Column 5 → 5 (Naked Single)
- Row 2 / Column 2 → 7 (Naked Single)
- Row 3 / Column 5 → 4 (Naked Single)
- Row 3 / Column 2 → 5 (Naked Single)
- Row 1 / Column 2 → 4 (Naked Single)
- Row 1 / Column 1 → 8 (Full House)
- Row 7 / Column 2 → 1 (Naked Single)
- Locked Candidates Type 1 (Pointing): 1 in b8 => r8c9<>1
- Row 8 / Column 9 → 5 (Naked Single)
- Row 1 / Column 9 → 7 (Naked Single)
- Row 1 / Column 7 → 5 (Full House)
- Row 7 / Column 4 → 5 (Hidden Single)
- Row 7 / Column 1 → 4 (Naked Single)
- Row 5 / Column 1 → 1 (Naked Single)
- Row 7 / Column 3 → 7 (Naked Single)
- Row 7 / Column 8 → 8 (Full House)
- Row 4 / Column 1 → 2 (Naked Single)
- Row 9 / Column 1 → 5 (Full House)
- Row 5 / Column 9 → 8 (Naked Single)
- Row 9 / Column 3 → 3 (Naked Single)
- Row 4 / Column 8 → 6 (Naked Single)
- Row 4 / Column 7 → 1 (Full House)
- Row 6 / Column 2 → 6 (Naked Single)
- Row 8 / Column 2 → 2 (Full House)
- Row 8 / Column 3 → 6 (Full House)
- Row 5 / Column 3 → 4 (Naked Single)
- Row 5 / Column 7 → 7 (Full House)
- Row 6 / Column 9 → 2 (Full House)
- Row 6 / Column 3 → 8 (Full House)
- Row 9 / Column 8 → 7 (Naked Single)
- Row 3 / Column 8 → 2 (Naked Single)
- Row 8 / Column 8 → 3 (Full House)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 9 / Column 9 → 1 (Full House)
- Row 3 / Column 9 → 9 (Full House)
- Row 9 / Column 5 → 2 (Full House)
- Row 8 / Column 5 → 7 (Full House)
- Row 2 / Column 7 → 8 (Naked Single)
- Row 3 / Column 7 → 6 (Full House)
- Row 3 / Column 6 → 8 (Full House)
- Row 2 / Column 4 → 1 (Naked Single)
- Row 2 / Column 6 → 9 (Full House)
- Row 8 / Column 6 → 1 (Full House)
- Row 8 / Column 4 → 8 (Full House)
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