Solution for Evil Sudoku #3282351697440
3
6
5
7
1
8
4
2
9
1
7
4
3
9
2
8
5
6
2
8
9
5
4
6
1
3
7
2
9
7
5
3
4
6
8
1
6
8
5
2
1
7
4
3
9
4
1
3
9
6
8
7
5
2
9
5
6
8
4
2
1
7
3
7
4
3
9
6
1
5
2
8
8
2
1
3
7
5
6
9
4
This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, Skyscraper, Uniqueness Test 1 techniques.
Naked Single
Explanation
Hidden Single
Explanation
Hidden Pair
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 2 → 9 (Naked Single)
- Row 4 / Column 3 → 7 (Naked Single)
- Row 1 / Column 1 → 3 (Hidden Single)
- Row 5 / Column 1 → 5 (Hidden Single)
- Row 2 / Column 3 → 8 (Hidden Single)
- Row 5 / Column 8 → 6 (Hidden Single)
- Row 7 / Column 3 → 6 (Hidden Single)
- Row 8 / Column 7 → 3 (Hidden Single)
- Row 8 / Column 2 → 4 (Naked Single)
- Row 9 / Column 1 → 1 (Naked Single)
- Row 7 / Column 1 → 9 (Naked Single)
- Row 9 / Column 3 → 3 (Full House)
- Row 6 / Column 3 → 1 (Naked Single)
- Row 3 / Column 3 → 9 (Full House)
- Row 5 / Column 2 → 3 (Full House)
- Row 6 / Column 8 → 5 (Hidden Single)
- Row 8 / Column 8 → 7 (Naked Single)
- Row 8 / Column 9 → 5 (Naked Single)
- Row 6 / Column 5 → 3 (Hidden Single)
- Row 1 / Column 9 → 9 (Hidden Single)
- Row 2 / Column 1 → 7 (Hidden Single)
- Row 3 / Column 1 → 4 (Full House)
- Row 7 / Column 4 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b6 => r17c7<>4
- Row 2 / Column 8 → 4 (Hidden Single)
- Row 7 / Column 8 → 2 (Full House)
- Naked Triple: 1,2,7 in r3c279 => r3c5<>1, r3c6<>2
- Hidden Pair: 1,2 in r15c4 => r1c4<>4
- Row 1 / Column 6 → 4 (Hidden Single)
- Naked Triple: 5,6,8 in r349c6 => r5c6<>8
- Skyscraper: 8 in r5c5,r9c6 (connected by r59c9) => r4c6,r7c5<>8
- Row 7 / Column 5 → 4 (Naked Single)
- Row 9 / Column 4 → 5 (Naked Single)
- Row 9 / Column 6 → 8 (Naked Single)
- Row 9 / Column 9 → 4 (Full House)
- Uniqueness Test 1: 5/6 in r3c56,r4c56 => r4c5<>5, r4c5<>6
- Row 4 / Column 5 → 8 (Naked Single)
- Row 4 / Column 7 → 4 (Naked Single)
- Row 5 / Column 5 → 1 (Naked Single)
- Row 4 / Column 4 → 6 (Naked Single)
- Row 4 / Column 6 → 5 (Full House)
- Row 6 / Column 7 → 7 (Naked Single)
- Row 5 / Column 9 → 8 (Full House)
- Row 2 / Column 5 → 9 (Naked Single)
- Row 5 / Column 4 → 2 (Naked Single)
- Row 5 / Column 6 → 7 (Full House)
- Row 8 / Column 4 → 9 (Naked Single)
- Row 8 / Column 5 → 6 (Full House)
- Row 3 / Column 5 → 5 (Full House)
- Row 3 / Column 6 → 6 (Naked Single)
- Row 6 / Column 6 → 9 (Naked Single)
- Row 2 / Column 6 → 2 (Full House)
- Row 1 / Column 4 → 1 (Full House)
- Row 6 / Column 4 → 4 (Full House)
- Row 2 / Column 2 → 1 (Full House)
- Row 1 / Column 7 → 2 (Full House)
- Row 3 / Column 2 → 2 (Full House)
- Row 7 / Column 9 → 1 (Naked Single)
- Row 3 / Column 9 → 7 (Full House)
- Row 3 / Column 7 → 1 (Full House)
- Row 7 / Column 7 → 8 (Full House)
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