Solution for Medium Sudoku #31396512847101
9
6
8
7
3
1
2
4
5
2
7
3
4
5
6
8
9
1
5
1
4
8
2
9
6
7
3
6
5
7
3
1
2
8
9
4
3
8
9
5
4
7
6
1
2
1
4
2
9
6
8
3
5
7
4
8
6
5
7
9
1
2
3
9
2
5
1
3
4
7
6
8
7
3
1
2
8
6
4
9
5
This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Pair, Locked Candidates Type 2 (Claiming), Naked Triple techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 2 / Column 6 → 6 (Hidden Single)
- Row 1 / Column 2 → 6 (Hidden Single)
- Row 7 / Column 8 → 3 (Hidden Single)
- Row 9 / Column 3 → 3 (Hidden Single)
- Row 7 / Column 6 → 5 (Hidden Single)
- Row 8 / Column 9 → 6 (Hidden Single)
- Row 3 / Column 2 → 4 (Hidden Single)
- Row 3 / Column 9 → 3 (Naked Single)
- Row 9 / Column 2 → 2 (Hidden Single)
- Row 7 / Column 1 → 4 (Hidden Single)
- Row 6 / Column 7 → 3 (Hidden Single)
- Row 1 / Column 7 → 5 (Hidden Single)
- Row 2 / Column 7 → 8 (Hidden Single)
- Row 2 / Column 1 → 7 (Naked Single)
- Row 1 / Column 3 → 8 (Full House)
- Locked Candidates Type 1 (Pointing): 2 in b2 => r1c89<>2
- Row 1 / Column 9 → 4 (Naked Single)
- Locked Candidates Type 1 (Pointing): 7 in b7 => r8c4<>7
- Locked Candidates Type 1 (Pointing): 9 in b9 => r9c46<>9
- Locked Candidates Type 1 (Pointing): 9 in b8 => r46c4<>9
- Naked Pair: 1,7 in r1c58 => r1c46<>1, r1c4<>7
- Naked Pair: 1,8 in r9c16 => r9c45<>1, r9c45<>8
- Locked Candidates Type 2 (Claiming): 8 in c5 => r4c46,r6c46<>8
- Naked Pair: 2,3 in r14c4 => r6c4<>2
- Naked Pair: 1,8 in r39c6 => r6c6<>1
- Naked Triple: 2,3,9 in r4c469 => r4c238<>9, r4c38<>2
- Row 4 / Column 3 → 7 (Naked Single)
- Row 8 / Column 3 → 9 (Naked Single)
- Row 5 / Column 3 → 2 (Full House)
- Row 7 / Column 2 → 8 (Naked Single)
- Row 7 / Column 4 → 9 (Full House)
- Row 8 / Column 4 → 1 (Naked Single)
- Row 4 / Column 2 → 5 (Naked Single)
- Row 9 / Column 1 → 1 (Naked Single)
- Row 6 / Column 4 → 6 (Naked Single)
- Row 8 / Column 1 → 5 (Naked Single)
- Row 8 / Column 2 → 7 (Full House)
- Row 6 / Column 1 → 8 (Full House)
- Row 9 / Column 6 → 8 (Naked Single)
- Row 4 / Column 8 → 4 (Naked Single)
- Row 9 / Column 4 → 7 (Naked Single)
- Row 9 / Column 5 → 6 (Full House)
- Row 6 / Column 5 → 1 (Naked Single)
- Row 3 / Column 6 → 1 (Naked Single)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 5 / Column 7 → 9 (Naked Single)
- Row 9 / Column 7 → 4 (Full House)
- Row 9 / Column 8 → 9 (Full House)
- Row 3 / Column 4 → 8 (Naked Single)
- Row 3 / Column 8 → 7 (Full House)
- Row 1 / Column 5 → 7 (Naked Single)
- Row 5 / Column 5 → 4 (Full House)
- Row 6 / Column 2 → 9 (Naked Single)
- Row 5 / Column 2 → 1 (Full House)
- Row 5 / Column 8 → 6 (Full House)
- Row 4 / Column 9 → 2 (Naked Single)
- Row 2 / Column 9 → 9 (Full House)
- Row 2 / Column 8 → 2 (Full House)
- Row 1 / Column 8 → 1 (Full House)
- Row 6 / Column 8 → 5 (Full House)
- Row 6 / Column 6 → 2 (Full House)
- Row 4 / Column 4 → 3 (Naked Single)
- Row 1 / Column 4 → 2 (Full House)
- Row 1 / Column 6 → 3 (Full House)
- Row 4 / Column 6 → 9 (Full House)
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