Solution for Medium Sudoku #22817453926102
5
6
3
4
8
1
2
7
9
8
9
2
7
6
3
1
4
5
4
7
1
9
2
5
8
6
3
6
1
4
8
9
5
7
3
2
3
2
8
6
7
4
9
5
1
5
9
7
3
1
2
6
4
8
1
4
6
9
5
7
3
2
8
5
3
7
2
8
6
4
1
9
2
8
9
1
3
4
7
5
6
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 → 2 (Hidden Single)
- Row 7 / Column 8 → 8 (Hidden Single)
- Row 9 / Column 2 → 2 (Hidden Single)
- Row 2 / Column 7 → 9 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b8 => r7c123<>5
- Locked Candidates Type 1 (Pointing): 9 in b8 => r9c1<>9
- Locked Candidates Type 1 (Pointing): 6 in b9 => r9c1<>6
- Naked Triple: 1,5,8 in r13c4,r3c6 => r1c56<>1, r1c56<>5
- Locked Candidates Type 2 (Claiming): 5 in c5 => r45c4,r56c6<>5
- Naked Triple: 1,2,5 in r46c5,r6c6 => r5c46<>1
- Row 5 / Column 6 → 4 (Naked Single)
- Row 5 / Column 8 → 1 (Hidden Single)
- Row 5 / Column 2 → 9 (Hidden Single)
- Row 4 / Column 8 → 9 (Hidden Single)
- Row 8 / Column 1 → 9 (Hidden Single)
- Row 3 / Column 8 → 6 (Hidden Single)
- Naked Triple: 3,5,7 in r1c138 => r1c49<>5, r1c9<>3
- Locked Candidates Type 1 (Pointing): 5 in b2 => r3c279<>5
- Row 2 / Column 9 → 5 (Hidden Single)
- Row 2 / Column 1 → 4 (Naked Single)
- Row 2 / Column 2 → 8 (Full House)
- Row 4 / Column 3 → 4 (Hidden Single)
- Row 4 / Column 5 → 2 (Hidden Single)
- Row 1 / Column 5 → 9 (Naked Single)
- Row 6 / Column 6 → 1 (Naked Single)
- Row 1 / Column 6 → 2 (Naked Single)
- Row 9 / Column 5 → 1 (Naked Single)
- Row 6 / Column 5 → 5 (Full House)
- Row 3 / Column 6 → 5 (Naked Single)
- Row 9 / Column 1 → 3 (Naked Single)
- Row 9 / Column 4 → 4 (Naked Single)
- Row 6 / Column 2 → 3 (Naked Single)
- Row 7 / Column 6 → 7 (Naked Single)
- Row 9 / Column 6 → 9 (Full House)
- Row 7 / Column 4 → 5 (Full House)
- Row 1 / Column 1 → 5 (Naked Single)
- Row 9 / Column 9 → 6 (Naked Single)
- Row 9 / Column 7 → 7 (Full House)
- Row 3 / Column 2 → 7 (Naked Single)
- Row 1 / Column 3 → 3 (Full House)
- Row 7 / Column 2 → 4 (Naked Single)
- Row 8 / Column 2 → 5 (Full House)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 7 / Column 1 → 1 (Full House)
- Row 4 / Column 1 → 6 (Full House)
- Row 8 / Column 3 → 7 (Full House)
- Row 6 / Column 9 → 8 (Naked Single)
- Row 8 / Column 8 → 3 (Naked Single)
- Row 1 / Column 8 → 7 (Full House)
- Row 8 / Column 9 → 4 (Full House)
- Row 5 / Column 3 → 5 (Naked Single)
- Row 6 / Column 3 → 2 (Full House)
- Row 6 / Column 7 → 6 (Full House)
- Row 4 / Column 4 → 3 (Naked Single)
- Row 4 / Column 7 → 5 (Full House)
- Row 5 / Column 7 → 3 (Full House)
- Row 5 / Column 4 → 6 (Full House)
- Row 3 / Column 7 → 8 (Full House)
- Row 1 / Column 9 → 1 (Naked Single)
- Row 1 / Column 4 → 8 (Full House)
- Row 3 / Column 4 → 1 (Full House)
- Row 3 / Column 9 → 3 (Full House)
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