Solution for Medium Sudoku #13718956423103
5
3
9
2
5
7
9
4
1
6
5
8
2
1
4
9
5
5
3
6
8
2
3
6
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 3 / Column 6 → 5 (Hidden Single)
- Row 6 / Column 5 → 4 (Hidden Single)
- Row 4 / Column 3 → 9 (Hidden Single)
- Row 5 / Column 2 → 5 (Hidden Single)
- Row 9 / Column 5 → 5 (Hidden Single)
- Row 7 / Column 7 → 5 (Hidden Single)
- Row 2 / Column 6 → 2 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Row 4 / Column 5 → 6 (Hidden Single)
- Row 6 / Column 3 → 3 (Hidden Single)
- Row 5 / Column 1 → 2 (Hidden Single)
- Row 3 / Column 3 → 2 (Hidden Single)
- Row 8 / Column 2 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b3 => r3c4<>3
- Locked Candidates Type 1 (Pointing): 3 in b5 => r5c9<>3
- Locked Candidates Type 1 (Pointing): 7 in b5 => r5c8<>7
- Locked Candidates Type 1 (Pointing): 4 in b7 => r7c4689<>4
- Locked Candidates Type 1 (Pointing): 4 in b9 => r9c46<>4
- Naked Triple: 1,7,8 in r7c8,r89c7 => r79c9,r9c8<>1, r7c9<>8, r9c8<>7
- Row 7 / Column 9 → 9 (Naked Single)
- Row 1 / Column 2 → 9 (Hidden Single)
- Row 8 / Column 1 → 9 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b7 => r7c48<>1
- Locked Candidates Type 1 (Pointing): 7 in b7 => r7c468<>7
- Row 7 / Column 8 → 8 (Naked Single)
- Row 5 / Column 8 → 1 (Naked Single)
- Row 5 / Column 9 → 8 (Naked Single)
- Row 4 / Column 8 → 7 (Hidden Single)
- Row 4 / Column 7 → 3 (Naked Single)
- Row 4 / Column 9 → 2 (Full House)
- Row 9 / Column 9 → 4 (Naked Single)
- Row 2 / Column 9 → 1 (Naked Single)
- Row 3 / Column 9 → 3 (Full House)
- Row 9 / Column 8 → 2 (Naked Single)
- Row 3 / Column 7 → 8 (Naked Single)
- Row 6 / Column 2 → 8 (Hidden Single)
- Row 6 / Column 1 → 7 (Full House)
- Row 7 / Column 1 → 1 (Naked Single)
- Row 3 / Column 1 → 6 (Naked Single)
- Row 1 / Column 1 → 8 (Full House)
- Row 3 / Column 8 → 4 (Naked Single)
- Row 2 / Column 8 → 6 (Full House)
- Row 3 / Column 2 → 7 (Naked Single)
- Row 3 / Column 4 → 1 (Full House)
- Row 7 / Column 2 → 4 (Full House)
- Row 7 / Column 3 → 7 (Full House)
- Row 2 / Column 3 → 4 (Naked Single)
- Row 1 / Column 3 → 1 (Full House)
- Row 1 / Column 5 → 3 (Naked Single)
- Row 5 / Column 5 → 7 (Naked Single)
- Row 2 / Column 5 → 8 (Naked Single)
- Row 2 / Column 4 → 7 (Full House)
- Row 8 / Column 5 → 1 (Full House)
- Row 9 / Column 4 → 9 (Naked Single)
- Row 8 / Column 7 → 7 (Naked Single)
- Row 9 / Column 7 → 1 (Full House)
- Row 9 / Column 6 → 7 (Full House)
- Row 5 / Column 4 → 3 (Naked Single)
- Row 5 / Column 6 → 9 (Full House)
- Row 8 / Column 6 → 4 (Naked Single)
- Row 8 / Column 4 → 8 (Full House)
- Row 7 / Column 4 → 6 (Naked Single)
- Row 1 / Column 4 → 4 (Full House)
- Row 1 / Column 6 → 6 (Full House)
- Row 7 / Column 6 → 3 (Full House)
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