Solution for Medium Sudoku #12536892417103
5
9
1
8
9
8
4
2
7
8
6
3
9
1
1
7
9
2
3
4
9
6
2
7
This Sudoku Puzzle has 66 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 5 / Column 9 → 9 (Hidden Single)
- Row 4 / Column 3 → 9 (Hidden Single)
- Row 8 / Column 5 → 9 (Hidden Single)
- Row 5 / Column 6 → 4 (Hidden Single)
- Row 7 / Column 4 → 8 (Hidden Single)
- Row 3 / Column 7 → 9 (Hidden Single)
- Row 4 / Column 2 → 1 (Hidden Single)
- Row 3 / Column 6 → 2 (Hidden Single)
- Row 5 / Column 4 → 2 (Hidden Single)
- Row 9 / Column 5 → 1 (Hidden Single)
- Row 7 / Column 6 → 7 (Hidden Single)
- Row 7 / Column 3 → 1 (Hidden Single)
- Row 8 / Column 8 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b1 => r6c3<>7
- Locked Candidates Type 1 (Pointing): 5 in b5 => r2c5<>5
- Locked Candidates Type 1 (Pointing): 7 in b5 => r1c5<>7
- Locked Candidates Type 1 (Pointing): 4 in b9 => r1246c7<>4
- Locked Candidates Type 1 (Pointing): 4 in b3 => r46c9<>4
- Naked Triple: 3,5,6 in r2c7,r3c89 => r1c79,r2c9<>3, r1c7<>6, r2c9<>5
- Row 1 / Column 7 → 8 (Naked Single)
- Row 8 / Column 1 → 8 (Hidden Single)
- Row 9 / Column 8 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b9 => r26c7<>3
- Locked Candidates Type 1 (Pointing): 3 in b3 => r3c3<>3
- Locked Candidates Type 1 (Pointing): 5 in b9 => r246c7<>5
- Row 2 / Column 7 → 6 (Naked Single)
- Row 2 / Column 5 → 3 (Naked Single)
- Row 1 / Column 5 → 6 (Naked Single)
- Row 2 / Column 4 → 5 (Hidden Single)
- Row 3 / Column 4 → 7 (Naked Single)
- Row 1 / Column 4 → 1 (Full House)
- Row 3 / Column 3 → 6 (Naked Single)
- Row 1 / Column 9 → 4 (Naked Single)
- Row 1 / Column 2 → 3 (Naked Single)
- Row 1 / Column 3 → 7 (Full House)
- Row 2 / Column 9 → 1 (Naked Single)
- Row 8 / Column 6 → 6 (Hidden Single)
- Row 9 / Column 6 → 5 (Full House)
- Row 9 / Column 7 → 3 (Naked Single)
- Row 9 / Column 3 → 2 (Naked Single)
- Row 9 / Column 1 → 6 (Full House)
- Row 2 / Column 3 → 4 (Naked Single)
- Row 2 / Column 2 → 2 (Full House)
- Row 8 / Column 3 → 5 (Naked Single)
- Row 6 / Column 3 → 3 (Full House)
- Row 8 / Column 7 → 4 (Full House)
- Row 7 / Column 7 → 5 (Full House)
- Row 7 / Column 2 → 4 (Naked Single)
- Row 7 / Column 1 → 3 (Full House)
- Row 5 / Column 1 → 7 (Naked Single)
- Row 5 / Column 5 → 5 (Naked Single)
- Row 5 / Column 2 → 6 (Naked Single)
- Row 5 / Column 8 → 3 (Full House)
- Row 6 / Column 2 → 5 (Full House)
- Row 3 / Column 8 → 5 (Naked Single)
- Row 3 / Column 9 → 3 (Full House)
- Row 6 / Column 9 → 8 (Naked Single)
- Row 4 / Column 9 → 5 (Full House)
- Row 4 / Column 8 → 4 (Naked Single)
- Row 6 / Column 8 → 6 (Full House)
- Row 6 / Column 5 → 7 (Naked Single)
- Row 4 / Column 5 → 8 (Full House)
- Row 4 / Column 1 → 2 (Naked Single)
- Row 4 / Column 7 → 7 (Full House)
- Row 6 / Column 7 → 2 (Full House)
- Row 6 / Column 1 → 4 (Full House)
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