Solution for Medium Sudoku #13145297638101
3
9
2
4
7
6
1
8
5
1
8
7
5
2
3
9
4
6
6
5
4
9
1
8
2
3
7
7
3
9
6
5
4
8
2
1
4
6
1
8
3
2
7
9
5
8
2
5
7
9
1
3
4
6
9
1
8
5
6
7
2
4
3
2
7
4
3
1
9
6
5
8
5
6
3
4
8
2
1
7
9
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 4 → 5 (Hidden Single)
- Row 1 / Column 8 → 5 (Hidden Single)
- Row 7 / Column 2 → 1 (Hidden Single)
- Row 9 / Column 7 → 1 (Hidden Single)
- Row 7 / Column 4 → 2 (Hidden Single)
- Row 8 / Column 1 → 5 (Hidden Single)
- Row 3 / Column 8 → 3 (Hidden Single)
- Row 3 / Column 1 → 1 (Naked Single)
- Row 9 / Column 8 → 7 (Hidden Single)
- Row 7 / Column 9 → 3 (Hidden Single)
- Row 6 / Column 3 → 1 (Hidden Single)
- Row 1 / Column 3 → 2 (Hidden Single)
- Row 2 / Column 3 → 6 (Hidden Single)
- Row 2 / Column 9 → 8 (Naked Single)
- Row 1 / Column 7 → 6 (Full House)
- Locked Candidates Type 1 (Pointing): 7 in b2 => r1c12<>7
- Row 1 / Column 1 → 3 (Naked Single)
- Locked Candidates Type 1 (Pointing): 4 in b7 => r9c46<>4
- Locked Candidates Type 1 (Pointing): 4 in b8 => r46c6<>4
- Locked Candidates Type 1 (Pointing): 8 in b9 => r8c6<>8
- Naked Pair: 8,9 in r1c25 => r1c46<>9, r1c6<>8
- Naked Pair: 6,9 in r9c49 => r9c56<>6, r9c56<>9
- Locked Candidates Type 2 (Claiming): 6 in c5 => r4c46,r6c46<>6
- Naked Pair: 6,9 in r39c4 => r6c4<>9
- Naked Pair: 1,7 in r14c6 => r6c6<>7
- Naked Triple: 1,4,7 in r4c146 => r4c278<>4, r4c27<>7
- Row 4 / Column 7 → 8 (Naked Single)
- Row 8 / Column 7 → 4 (Naked Single)
- Row 5 / Column 7 → 7 (Full House)
- Row 7 / Column 8 → 6 (Naked Single)
- Row 7 / Column 6 → 4 (Full House)
- Row 8 / Column 6 → 9 (Naked Single)
- Row 4 / Column 8 → 2 (Naked Single)
- Row 9 / Column 9 → 9 (Naked Single)
- Row 6 / Column 6 → 5 (Naked Single)
- Row 8 / Column 9 → 2 (Naked Single)
- Row 8 / Column 8 → 8 (Full House)
- Row 6 / Column 9 → 6 (Full House)
- Row 9 / Column 4 → 6 (Naked Single)
- Row 4 / Column 2 → 3 (Naked Single)
- Row 9 / Column 6 → 8 (Naked Single)
- Row 9 / Column 5 → 5 (Full House)
- Row 6 / Column 5 → 9 (Naked Single)
- Row 3 / Column 4 → 9 (Naked Single)
- Row 4 / Column 5 → 6 (Naked Single)
- Row 5 / Column 3 → 4 (Naked Single)
- Row 9 / Column 3 → 3 (Full House)
- Row 9 / Column 2 → 4 (Full House)
- Row 3 / Column 6 → 6 (Naked Single)
- Row 3 / Column 2 → 8 (Full House)
- Row 1 / Column 5 → 8 (Naked Single)
- Row 5 / Column 5 → 3 (Full House)
- Row 6 / Column 8 → 4 (Naked Single)
- Row 5 / Column 8 → 9 (Full House)
- Row 5 / Column 2 → 5 (Full House)
- Row 4 / Column 1 → 7 (Naked Single)
- Row 2 / Column 1 → 4 (Full House)
- Row 2 / Column 2 → 7 (Full House)
- Row 1 / Column 2 → 9 (Full House)
- Row 6 / Column 2 → 2 (Full House)
- Row 6 / Column 4 → 7 (Full House)
- Row 4 / Column 6 → 1 (Naked Single)
- Row 1 / Column 6 → 7 (Full House)
- Row 1 / Column 4 → 1 (Full House)
- Row 4 / Column 4 → 4 (Full House)
Show More...