Solution for Medium Sudoku #12842597163102
5
7
3
2
5
3
4
1
6
2
6
5
8
2
1
4
8
2
1
6
4
9
7
3
8
6
8
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 2 → 6 (Hidden Single)
- Row 7 / Column 2 → 8 (Hidden Single)
- Row 9 / Column 8 → 6 (Hidden Single)
- Row 2 / Column 3 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b7 => r9c9<>3
- Locked Candidates Type 1 (Pointing): 1 in b8 => r9c9<>1
- Locked Candidates Type 1 (Pointing): 9 in b8 => r7c789<>9
- Naked Triple: 4,8,9 in r13c6,r3c4 => r1c45<>4, r1c45<>9
- Locked Candidates Type 2 (Claiming): 9 in c5 => r45c6,r56c4<>9
- Naked Triple: 4,6,9 in r46c5,r6c4 => r5c46<>4
- Row 5 / Column 4 → 5 (Naked Single)
- Row 5 / Column 2 → 4 (Hidden Single)
- Row 5 / Column 8 → 1 (Hidden Single)
- Row 4 / Column 2 → 1 (Hidden Single)
- Row 8 / Column 9 → 1 (Hidden Single)
- Row 3 / Column 2 → 3 (Hidden Single)
- Naked Triple: 2,7,9 in r1c279 => r1c1<>7, r1c16<>9
- Locked Candidates Type 1 (Pointing): 9 in b2 => r3c138<>9
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 2 / Column 9 → 5 (Naked Single)
- Row 2 / Column 8 → 8 (Full House)
- Row 4 / Column 7 → 5 (Hidden Single)
- Row 4 / Column 5 → 6 (Hidden Single)
- Row 1 / Column 5 → 1 (Naked Single)
- Row 6 / Column 4 → 4 (Naked Single)
- Row 1 / Column 4 → 6 (Naked Single)
- Row 9 / Column 5 → 4 (Naked Single)
- Row 6 / Column 5 → 9 (Full House)
- Row 3 / Column 4 → 9 (Naked Single)
- Row 9 / Column 6 → 5 (Naked Single)
- Row 9 / Column 9 → 7 (Naked Single)
- Row 6 / Column 8 → 7 (Naked Single)
- Row 7 / Column 4 → 2 (Naked Single)
- Row 9 / Column 4 → 1 (Full House)
- Row 7 / Column 6 → 9 (Full House)
- Row 1 / Column 9 → 9 (Naked Single)
- Row 9 / Column 1 → 3 (Naked Single)
- Row 9 / Column 3 → 2 (Full House)
- Row 3 / Column 8 → 2 (Naked Single)
- Row 1 / Column 7 → 7 (Full House)
- Row 7 / Column 7 → 3 (Naked Single)
- Row 7 / Column 8 → 5 (Naked Single)
- Row 7 / Column 9 → 4 (Full House)
- Row 4 / Column 9 → 3 (Full House)
- Row 8 / Column 8 → 9 (Full House)
- Row 8 / Column 7 → 2 (Full House)
- Row 6 / Column 1 → 8 (Naked Single)
- Row 8 / Column 2 → 7 (Naked Single)
- Row 1 / Column 2 → 2 (Full House)
- Row 8 / Column 1 → 5 (Full House)
- Row 5 / Column 7 → 9 (Naked Single)
- Row 6 / Column 7 → 6 (Full House)
- Row 6 / Column 3 → 3 (Full House)
- Row 4 / Column 6 → 7 (Naked Single)
- Row 4 / Column 3 → 9 (Full House)
- Row 5 / Column 3 → 7 (Full House)
- Row 5 / Column 6 → 3 (Full House)
- Row 3 / Column 3 → 8 (Full House)
- Row 1 / Column 1 → 4 (Naked Single)
- Row 1 / Column 6 → 8 (Full House)
- Row 3 / Column 6 → 4 (Full House)
- Row 3 / Column 1 → 7 (Full House)
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