Solution for Evil Sudoku #2381472365996
7
9
5
1
4
8
6
3
2
1
6
8
3
5
2
4
9
7
3
2
4
6
9
7
8
1
5
9
8
6
4
7
1
5
2
3
7
4
3
8
2
5
9
1
6
1
5
2
9
6
3
4
7
8
8
5
4
3
1
7
2
6
9
6
7
1
2
8
9
5
3
4
2
3
9
5
4
6
7
8
1
This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 2 → 8 (Hidden Single)
- Row 1 / Column 4 → 1 (Hidden Single)
- Row 2 / Column 7 → 6 (Hidden Single)
- Row 7 / Column 4 → 6 (Hidden Single)
- Row 8 / Column 1 → 3 (Hidden Single)
- Row 9 / Column 6 → 4 (Hidden Single)
- Row 2 / Column 5 → 5 (Hidden Single)
- Row 8 / Column 5 → 8 (Hidden Single)
- Row 9 / Column 4 → 5 (Hidden Single)
- Row 8 / Column 3 → 7 (Hidden Single)
- Row 8 / Column 2 → 1 (Hidden Single)
- Row 6 / Column 5 → 1 (Hidden Single)
- Row 5 / Column 3 → 1 (Hidden Single)
- Locked Pair: 5,9 in r1c23 => r1c19,r3c13<>5, r1c79<>9
- Row 1 / Column 1 → 7 (Naked Single)
- Locked Candidates Type 1 (Pointing): 2 in b1 => r3c6<>2
- Locked Candidates Type 1 (Pointing): 3 in b5 => r4c9<>3
- Locked Candidates Type 1 (Pointing): 9 in b5 => r6c78<>9
- Locked Pair: 5,7 in r46c8 => r239c8,r4c9,r6c7<>7, r3c8,r4c9<>5
- Row 2 / Column 8 → 9 (Naked Single)
- Row 3 / Column 9 → 5 (Hidden Single)
- Row 3 / Column 8 → 1 (Hidden Single)
- Row 9 / Column 8 → 8 (Naked Single)
- Row 9 / Column 1 → 2 (Naked Single)
- Row 3 / Column 1 → 6 (Naked Single)
- Row 5 / Column 1 → 4 (Naked Single)
- Row 9 / Column 3 → 9 (Naked Single)
- Row 3 / Column 3 → 2 (Naked Single)
- Row 5 / Column 5 → 2 (Naked Single)
- Row 4 / Column 5 → 4 (Full House)
- Row 6 / Column 1 → 5 (Naked Single)
- Row 7 / Column 1 → 8 (Full House)
- Row 1 / Column 3 → 5 (Naked Single)
- Row 1 / Column 2 → 9 (Full House)
- Row 7 / Column 2 → 5 (Naked Single)
- Row 6 / Column 2 → 2 (Full House)
- Row 4 / Column 3 → 6 (Full House)
- Row 7 / Column 3 → 4 (Full House)
- Row 9 / Column 7 → 7 (Naked Single)
- Row 9 / Column 9 → 1 (Full House)
- Row 4 / Column 9 → 2 (Naked Single)
- Row 6 / Column 8 → 7 (Naked Single)
- Row 4 / Column 8 → 5 (Full House)
- Row 6 / Column 7 → 4 (Naked Single)
- Row 3 / Column 7 → 8 (Naked Single)
- Row 3 / Column 6 → 7 (Full House)
- Row 7 / Column 9 → 9 (Naked Single)
- Row 7 / Column 7 → 2 (Full House)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 6 / Column 6 → 6 (Full House)
- Row 1 / Column 7 → 3 (Naked Single)
- Row 5 / Column 7 → 9 (Full House)
- Row 5 / Column 9 → 3 (Full House)
- Row 4 / Column 6 → 3 (Naked Single)
- Row 4 / Column 4 → 7 (Full House)
- Row 8 / Column 4 → 2 (Naked Single)
- Row 2 / Column 4 → 3 (Full House)
- Row 8 / Column 6 → 9 (Full House)
- Row 1 / Column 6 → 8 (Naked Single)
- Row 1 / Column 9 → 4 (Full House)
- Row 2 / Column 9 → 7 (Full House)
- Row 2 / Column 6 → 2 (Full House)
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