Solution for Medium Sudoku #24543761928103
3
6
1
7
8
5
4
9
2
9
2
5
4
6
3
7
1
8
4
7
8
9
2
1
5
6
3
9
5
4
8
3
7
1
2
6
6
8
2
1
5
9
3
7
4
1
3
7
2
4
6
8
9
5
2
7
3
6
1
9
5
4
8
8
9
1
5
4
7
2
3
6
6
5
4
3
8
2
7
1
9
This Sudoku Puzzle has 65 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 6 → 9 (Hidden Single)
- Row 5 / Column 9 → 6 (Hidden Single)
- Row 6 / Column 3 → 6 (Hidden Single)
- Row 3 / Column 4 → 7 (Hidden Single)
- Row 2 / Column 5 → 6 (Hidden Single)
- Row 7 / Column 6 → 1 (Hidden Single)
- Row 5 / Column 4 → 1 (Hidden Single)
- Row 7 / Column 7 → 6 (Hidden Single)
- Row 6 / Column 2 → 2 (Hidden Single)
- Row 3 / Column 6 → 8 (Hidden Single)
- Row 1 / Column 5 → 2 (Hidden Single)
- Row 3 / Column 3 → 2 (Hidden Single)
- Row 2 / Column 8 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 9 in b3 => r4689c7<>9
- Locked Candidates Type 1 (Pointing): 5 in b5 => r8c5<>5
- Locked Candidates Type 1 (Pointing): 8 in b5 => r9c5<>8
- Locked Candidates Type 1 (Pointing): 8 in b7 => r4c3<>8
- Locked Candidates Type 1 (Pointing): 9 in b9 => r46c9<>9
- Naked Triple: 3,4,5 in r7c89,r8c7 => r89c9,r9c7<>4, r8c9<>5, r9c7<>3
- Row 9 / Column 7 → 7 (Naked Single)
- Row 2 / Column 1 → 7 (Hidden Single)
- Row 1 / Column 8 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b3 => r48c7<>4
- Locked Candidates Type 1 (Pointing): 5 in b3 => r468c7<>5
- Row 8 / Column 7 → 3 (Naked Single)
- Row 8 / Column 5 → 4 (Naked Single)
- Row 9 / Column 5 → 3 (Naked Single)
- Row 8 / Column 4 → 5 (Hidden Single)
- Row 7 / Column 4 → 8 (Naked Single)
- Row 9 / Column 4 → 2 (Full House)
- Row 9 / Column 9 → 9 (Naked Single)
- Row 8 / Column 9 → 2 (Naked Single)
- Row 9 / Column 2 → 4 (Naked Single)
- Row 9 / Column 3 → 8 (Full House)
- Row 7 / Column 3 → 3 (Naked Single)
- Row 2 / Column 6 → 3 (Hidden Single)
- Row 1 / Column 6 → 5 (Full House)
- Row 1 / Column 7 → 4 (Naked Single)
- Row 1 / Column 3 → 1 (Naked Single)
- Row 1 / Column 1 → 3 (Full House)
- Row 8 / Column 3 → 9 (Naked Single)
- Row 8 / Column 2 → 1 (Full House)
- Row 2 / Column 3 → 5 (Naked Single)
- Row 2 / Column 7 → 9 (Full House)
- Row 4 / Column 3 → 4 (Full House)
- Row 3 / Column 7 → 5 (Full House)
- Row 3 / Column 2 → 9 (Naked Single)
- Row 3 / Column 1 → 4 (Full House)
- Row 5 / Column 1 → 8 (Naked Single)
- Row 5 / Column 5 → 5 (Naked Single)
- Row 5 / Column 2 → 3 (Naked Single)
- Row 4 / Column 2 → 5 (Full House)
- Row 5 / Column 8 → 4 (Full House)
- Row 4 / Column 9 → 7 (Naked Single)
- Row 7 / Column 8 → 5 (Naked Single)
- Row 7 / Column 9 → 4 (Full House)
- Row 6 / Column 9 → 5 (Full House)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 6 / Column 5 → 7 (Full House)
- Row 6 / Column 8 → 9 (Naked Single)
- Row 4 / Column 8 → 3 (Full House)
- Row 4 / Column 7 → 1 (Naked Single)
- Row 4 / Column 1 → 9 (Full House)
- Row 6 / Column 1 → 1 (Full House)
- Row 6 / Column 7 → 8 (Full House)
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