Solution for Evil Sudoku #1263498251739
7
1
9
8
4
7
5
8
6
8
6
7
1
2
6
8
2
6
1
5
4
9
4
9
2
5
6
4
This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Full House, Naked Single, Locked Candidates Type 1 (Pointing), Naked Triple, undefined techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 3 / Column 7 → 7 (Hidden Single)
- Row 2 / Column 2 → 6 (Hidden Single)
- Row 1 / Column 4 → 6 (Hidden Single)
- Row 6 / Column 6 → 4 (Hidden Single)
- Row 7 / Column 5 → 6 (Hidden Single)
- Row 8 / Column 1 → 6 (Hidden Single)
- Row 4 / Column 7 → 4 (Hidden Single)
- Row 9 / Column 4 → 7 (Hidden Single)
- Row 1 / Column 8 → 4 (Hidden Single)
- Row 2 / Column 3 → 8 (Hidden Single)
- Row 6 / Column 8 → 9 (Hidden Single)
- Row 4 / Column 4 → 9 (Hidden Single)
- Row 3 / Column 5 → 1 (Hidden Single)
- Row 7 / Column 4 → 1 (Hidden Single)
- Row 9 / Column 6 → 5 (Hidden Single)
- Row 1 / Column 9 → 9 (Hidden Single)
- Row 2 / Column 4 → 5 (Hidden Single)
- Row 3 / Column 4 → 3 (Full House)
- Row 1 / Column 6 → 2 (Naked Single)
- Row 1 / Column 3 → 3 (Full House)
- Row 3 / Column 6 → 9 (Full House)
- Row 7 / Column 7 → 9 (Hidden Single)
- Row 5 / Column 2 → 9 (Hidden Single)
- Row 5 / Column 8 → 5 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b6 => r7c9<>7
- Naked Triple: 2,3,5 in r4c2,r6c13 => r5c1<>3
- W-Wing: 5/2 in r3c2,r6c3 connected by 2 in r36c1 => r3c3,r4c2<>5
- Row 4 / Column 2 → 3 (Naked Single)
- Row 4 / Column 9 → 7 (Naked Single)
- Row 4 / Column 5 → 5 (Full House)
- Row 6 / Column 1 → 2 (Naked Single)
- Row 9 / Column 2 → 8 (Naked Single)
- Row 6 / Column 5 → 3 (Naked Single)
- Row 6 / Column 3 → 5 (Full House)
- Row 5 / Column 5 → 7 (Full House)
- Row 3 / Column 1 → 4 (Naked Single)
- Row 8 / Column 2 → 2 (Naked Single)
- Row 3 / Column 2 → 5 (Full House)
- Row 3 / Column 3 → 2 (Full House)
- Row 5 / Column 1 → 1 (Naked Single)
- Row 5 / Column 3 → 4 (Full House)
- Row 9 / Column 1 → 3 (Full House)
- Row 9 / Column 7 → 1 (Full House)
- Row 7 / Column 3 → 7 (Naked Single)
- Row 8 / Column 3 → 1 (Full House)
- Row 7 / Column 8 → 3 (Naked Single)
- Row 2 / Column 8 → 1 (Naked Single)
- Row 8 / Column 8 → 7 (Full House)
- Row 7 / Column 6 → 8 (Naked Single)
- Row 7 / Column 9 → 2 (Full House)
- Row 8 / Column 7 → 8 (Full House)
- Row 8 / Column 6 → 3 (Full House)
- Row 2 / Column 9 → 3 (Naked Single)
- Row 2 / Column 7 → 2 (Full House)
- Row 5 / Column 7 → 3 (Full House)
- Row 5 / Column 9 → 8 (Full House)
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