Solution for Medium Sudoku #22289571463102
3
8
6
4
9
3
1
5
5
8
2
9
2
9
4
9
6
5
2
1
6
2
3
6
4
8
7
This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Locked Candidates Type 2 (Claiming), Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 2 / Column 8 → 6 (Hidden Single)
- Row 7 / Column 8 → 2 (Hidden Single)
- Row 9 / Column 2 → 6 (Hidden Single)
- Row 2 / Column 7 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b8 => r9c1<>4
- Locked Candidates Type 1 (Pointing): 7 in b8 => r7c123<>7
- Locked Candidates Type 1 (Pointing): 3 in b9 => r9c1<>3
- Naked Triple: 2,7,8 in r13c4,r3c6 => r1c56<>7, r1c56<>8
- Locked Candidates Type 2 (Claiming): 7 in c5 => r45c4,r56c6<>7
- Naked Triple: 6,7,8 in r46c5,r6c6 => r5c46<>8
- Row 5 / Column 6 → 5 (Naked Single)
- Row 5 / Column 8 → 8 (Hidden Single)
- Row 5 / Column 2 → 4 (Hidden Single)
- Row 4 / Column 8 → 4 (Hidden Single)
- Row 8 / Column 1 → 4 (Hidden Single)
- Row 3 / Column 8 → 3 (Hidden Single)
- Naked Triple: 1,7,9 in r1c138 => r1c49<>7, r1c9<>1
- Locked Candidates Type 1 (Pointing): 7 in b2 => r3c279<>7
- Row 2 / Column 9 → 7 (Hidden Single)
- Row 2 / Column 1 → 5 (Naked Single)
- Row 2 / Column 2 → 2 (Full House)
- Row 4 / Column 3 → 5 (Hidden Single)
- Row 4 / Column 5 → 6 (Hidden Single)
- Row 1 / Column 5 → 4 (Naked Single)
- Row 6 / Column 6 → 8 (Naked Single)
- Row 1 / Column 6 → 6 (Naked Single)
- Row 9 / Column 5 → 8 (Naked Single)
- Row 6 / Column 5 → 7 (Full House)
- Row 3 / Column 6 → 7 (Naked Single)
- Row 9 / Column 1 → 1 (Naked Single)
- Row 9 / Column 4 → 5 (Naked Single)
- Row 6 / Column 2 → 1 (Naked Single)
- Row 7 / Column 6 → 9 (Naked Single)
- Row 9 / Column 6 → 4 (Full House)
- Row 7 / Column 4 → 7 (Full House)
- Row 1 / Column 1 → 7 (Naked Single)
- Row 9 / Column 9 → 3 (Naked Single)
- Row 9 / Column 7 → 9 (Full House)
- Row 3 / Column 2 → 9 (Naked Single)
- Row 1 / Column 3 → 1 (Full House)
- Row 7 / Column 2 → 5 (Naked Single)
- Row 8 / Column 2 → 7 (Full House)
- Row 7 / Column 3 → 3 (Naked Single)
- Row 7 / Column 1 → 8 (Full House)
- Row 4 / Column 1 → 3 (Full House)
- Row 8 / Column 3 → 9 (Full House)
- Row 6 / Column 9 → 2 (Naked Single)
- Row 8 / Column 8 → 1 (Naked Single)
- Row 1 / Column 8 → 9 (Full House)
- Row 8 / Column 9 → 5 (Full House)
- Row 5 / Column 3 → 7 (Naked Single)
- Row 6 / Column 3 → 6 (Full House)
- Row 6 / Column 7 → 3 (Full House)
- Row 4 / Column 4 → 1 (Naked Single)
- Row 4 / Column 7 → 7 (Full House)
- Row 5 / Column 7 → 1 (Full House)
- Row 5 / Column 4 → 3 (Full House)
- Row 3 / Column 7 → 2 (Full House)
- Row 1 / Column 9 → 8 (Naked Single)
- Row 1 / Column 4 → 2 (Full House)
- Row 3 / Column 4 → 8 (Full House)
- Row 3 / Column 9 → 1 (Full House)
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