Solution for Medium Sudoku #12917428563102
1
7
4
2
6
5
8
3
9
6
5
9
8
3
7
2
4
1
8
3
2
1
9
4
5
7
6
7
5
2
6
1
8
9
4
3
9
6
8
4
7
3
1
2
5
4
1
3
2
5
9
6
8
7
5
9
6
4
8
1
3
2
7
7
8
2
3
9
6
5
1
4
3
4
1
7
2
5
9
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 → 9 (Hidden Single)
- Row 9 / Column 8 → 6 (Hidden Single)
- Row 2 / Column 3 → 5 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b7 => r9c9<>3
- Locked Candidates Type 1 (Pointing): 2 in b8 => r7c789<>2
- Locked Candidates Type 1 (Pointing): 5 in b8 => r9c9<>5
- Naked Triple: 1,2,9 in r13c6,r3c4 => r1c45<>1, r1c45<>2
- Locked Candidates Type 2 (Claiming): 2 in c5 => r45c6,r56c4<>2
- Naked Triple: 1,2,6 in r46c5,r6c4 => r5c46<>1
- Row 5 / Column 4 → 4 (Naked Single)
- Row 5 / Column 2 → 1 (Hidden Single)
- Row 5 / Column 8 → 5 (Hidden Single)
- Row 4 / Column 2 → 5 (Hidden Single)
- Row 8 / Column 9 → 5 (Hidden Single)
- Row 3 / Column 2 → 3 (Hidden Single)
- Naked Triple: 2,7,8 in r1c279 => r1c16<>2, r1c1<>8
- Locked Candidates Type 1 (Pointing): 2 in b2 => r3c138<>2
- Row 2 / Column 1 → 2 (Hidden Single)
- Row 2 / Column 9 → 4 (Naked Single)
- Row 2 / Column 8 → 9 (Full House)
- Row 4 / Column 7 → 4 (Hidden Single)
- Row 4 / Column 5 → 6 (Hidden Single)
- Row 1 / Column 5 → 5 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 1 / Column 4 → 6 (Naked Single)
- Row 9 / Column 5 → 1 (Naked Single)
- Row 6 / Column 5 → 2 (Full House)
- Row 3 / Column 4 → 2 (Naked Single)
- Row 9 / Column 6 → 4 (Naked Single)
- Row 9 / Column 9 → 8 (Naked Single)
- Row 6 / Column 8 → 8 (Naked Single)
- Row 7 / Column 4 → 7 (Naked Single)
- Row 9 / Column 4 → 5 (Full House)
- Row 7 / Column 6 → 2 (Full House)
- Row 1 / Column 9 → 2 (Naked Single)
- Row 9 / Column 1 → 3 (Naked Single)
- Row 9 / Column 3 → 7 (Full House)
- Row 3 / Column 8 → 7 (Naked Single)
- Row 1 / Column 7 → 8 (Full House)
- Row 7 / Column 7 → 3 (Naked Single)
- Row 7 / Column 8 → 4 (Naked Single)
- Row 7 / Column 9 → 1 (Full House)
- Row 4 / Column 9 → 3 (Full House)
- Row 8 / Column 8 → 2 (Full House)
- Row 8 / Column 7 → 7 (Full House)
- Row 6 / Column 1 → 9 (Naked Single)
- Row 8 / Column 2 → 8 (Naked Single)
- Row 1 / Column 2 → 7 (Full House)
- Row 8 / Column 1 → 4 (Full House)
- Row 5 / Column 7 → 2 (Naked Single)
- Row 6 / Column 7 → 6 (Full House)
- Row 6 / Column 3 → 3 (Full House)
- Row 4 / Column 6 → 8 (Naked Single)
- Row 4 / Column 3 → 2 (Full House)
- Row 5 / Column 3 → 8 (Full House)
- Row 5 / Column 6 → 3 (Full House)
- Row 3 / Column 3 → 9 (Full House)
- Row 1 / Column 1 → 1 (Naked Single)
- Row 1 / Column 6 → 9 (Full House)
- Row 3 / Column 6 → 1 (Full House)
- Row 3 / Column 1 → 8 (Full House)
Show More...