Solution for Evil Sudoku #1127713524895
3
2
7
2
3
1
5
4
2
4
3
8
2
7
5
7
1
4
1
8
7
7
2
8
1
7
This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Locked Candidates Type 1 (Pointing), Full House, Locked Triple techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 2 → 7 (Hidden Single)
- Row 9 / Column 5 → 1 (Hidden Single)
- Row 1 / Column 5 → 7 (Hidden Single)
- Row 2 / Column 8 → 7 (Hidden Single)
- Row 9 / Column 7 → 4 (Hidden Single)
- Row 2 / Column 7 → 2 (Hidden Single)
- Row 3 / Column 8 → 8 (Hidden Single)
- Row 6 / Column 9 → 2 (Hidden Single)
- Row 2 / Column 2 → 1 (Hidden Single)
- Row 1 / Column 7 → 1 (Hidden Single)
- Row 6 / Column 3 → 8 (Hidden Single)
- Row 5 / Column 9 → 8 (Hidden Single)
- Row 1 / Column 1 → 8 (Hidden Single)
- Row 6 / Column 6 → 1 (Hidden Single)
- Row 4 / Column 3 → 1 (Hidden Single)
- Row 1 / Column 3 → 4 (Hidden Single)
- Row 7 / Column 1 → 4 (Hidden Single)
- Locked Candidates Type 2 (Claiming): 3 in r9 => r78c8,r8c9<>3
- Naked Triple: 5,6,9 in r245c1 => r9c1<>5, r9c1<>6, r9c1<>9
- Row 9 / Column 1 → 9 (Naked Single)
- Row 5 / Column 3 → 9 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b4 => r2c1<>5
- Row 2 / Column 1 → 6 (Naked Single)
- Row 4 / Column 1 → 5 (Full House)
- Row 5 / Column 1 → 5 (Full House)
- Row 1 / Column 2 → 9 (Naked Single)
- Row 1 / Column 9 → 6 (Full House)
- Row 3 / Column 2 → 5 (Full House)
- Row 2 / Column 5 → 9 (Naked Single)
- Locked Triple: 3,6,9 in r456c7 => r3c7,r4c8<>3, r3c7,r4c8<>9, r4c8<>6
- Row 3 / Column 7 → 9 (Naked Single)
- Row 4 / Column 8 → 9 (Naked Single)
- Row 3 / Column 9 → 3 (Naked Single)
- Row 6 / Column 7 → 6 (Naked Single)
- Row 6 / Column 4 → 9 (Full House)
- Row 9 / Column 9 → 5 (Naked Single)
- Row 8 / Column 9 → 9 (Full House)
- Row 4 / Column 7 → 3 (Naked Single)
- Row 5 / Column 7 → 3 (Naked Single)
- Row 9 / Column 3 → 6 (Naked Single)
- Row 7 / Column 2 → 3 (Full House)
- Row 8 / Column 2 → 3 (Full House)
- Row 5 / Column 5 → 6 (Naked Single)
- Row 4 / Column 4 → 4 (Full House)
- Row 4 / Column 6 → 4 (Full House)
- Row 9 / Column 8 → 3 (Naked Single)
- Row 7 / Column 5 → 6 (Naked Single)
- Row 3 / Column 5 → 4 (Naked Single)
- Row 8 / Column 5 → 4 (Naked Single)
- Row 3 / Column 6 → 6 (Naked Single)
- Row 7 / Column 4 → 5 (Naked Single)
- Row 2 / Column 4 → 8 (Full House)
- Row 8 / Column 4 → 8 (Full House)
- Row 2 / Column 6 → 5 (Full House)
- Row 7 / Column 8 → 2 (Naked Single)
- Row 8 / Column 8 → 6 (Full House)
- Row 7 / Column 3 → 2 (Naked Single)
- Row 8 / Column 6 → 8 (Naked Single)
- Row 8 / Column 3 → 5 (Naked Single)
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