Solution for Medium Sudoku #12812934657102
9
4
7
2
9
7
1
6
5
2
5
9
8
2
6
1
8
2
6
5
1
3
4
7
8
5
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 → 5 (Hidden Single)
- Row 7 / Column 2 → 8 (Hidden Single)
- Row 9 / Column 8 → 5 (Hidden Single)
- Row 2 / Column 3 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b7 => r9c9<>7
- Locked Candidates Type 1 (Pointing): 3 in b8 => r7c789<>3
- Locked Candidates Type 1 (Pointing): 6 in b8 => r9c9<>6
- Naked Triple: 1,3,8 in r13c6,r3c4 => r1c45<>1, r1c45<>3
- Locked Candidates Type 2 (Claiming): 3 in c5 => r45c6,r56c4<>3
- Naked Triple: 1,3,5 in r46c5,r6c4 => r5c46<>1
- Row 5 / Column 4 → 9 (Naked Single)
- Row 5 / Column 2 → 1 (Hidden Single)
- Row 5 / Column 8 → 6 (Hidden Single)
- Row 4 / Column 2 → 6 (Hidden Single)
- Row 8 / Column 9 → 6 (Hidden Single)
- Row 3 / Column 2 → 7 (Hidden Single)
- Naked Triple: 2,3,4 in r1c279 => r1c16<>3, r1c1<>4
- Locked Candidates Type 1 (Pointing): 3 in b2 => r3c138<>3
- Row 2 / Column 1 → 3 (Hidden Single)
- Row 2 / Column 9 → 9 (Naked Single)
- Row 2 / Column 8 → 8 (Full House)
- Row 4 / Column 7 → 9 (Hidden Single)
- Row 4 / Column 5 → 5 (Hidden Single)
- Row 1 / Column 5 → 6 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 1 / Column 4 → 5 (Naked Single)
- Row 9 / Column 5 → 1 (Naked Single)
- Row 6 / Column 5 → 3 (Full House)
- Row 3 / Column 4 → 3 (Naked Single)
- Row 9 / Column 6 → 9 (Naked Single)
- Row 9 / Column 9 → 4 (Naked Single)
- Row 6 / Column 8 → 4 (Naked Single)
- Row 7 / Column 4 → 2 (Naked Single)
- Row 9 / Column 4 → 6 (Full House)
- Row 7 / Column 6 → 3 (Full House)
- Row 1 / Column 9 → 3 (Naked Single)
- Row 9 / Column 1 → 7 (Naked Single)
- Row 9 / Column 3 → 2 (Full House)
- Row 3 / Column 8 → 2 (Naked Single)
- Row 1 / Column 7 → 4 (Full House)
- Row 7 / Column 7 → 7 (Naked Single)
- Row 7 / Column 8 → 9 (Naked Single)
- Row 7 / Column 9 → 1 (Full House)
- Row 4 / Column 9 → 7 (Full House)
- Row 8 / Column 8 → 3 (Full House)
- Row 8 / Column 7 → 2 (Full House)
- Row 6 / Column 1 → 8 (Naked Single)
- Row 8 / Column 2 → 4 (Naked Single)
- Row 1 / Column 2 → 2 (Full House)
- Row 8 / Column 1 → 9 (Full House)
- Row 5 / Column 7 → 3 (Naked Single)
- Row 6 / Column 7 → 5 (Full House)
- Row 6 / Column 3 → 7 (Full House)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 4 / Column 3 → 3 (Full House)
- Row 5 / Column 3 → 4 (Full House)
- Row 5 / Column 6 → 7 (Full House)
- Row 3 / Column 3 → 8 (Full House)
- Row 1 / Column 1 → 1 (Naked Single)
- Row 1 / Column 6 → 8 (Full House)
- Row 3 / Column 6 → 1 (Full House)
- Row 3 / Column 1 → 4 (Full House)
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