Solution for Medium Sudoku #14213587469102
2
6
2
9
7
8
1
6
4
3
2
1
4
3
2
5
6
3
6
4
1
9
5
3
9
7
5
This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Naked Single, Locked Candidates Type 2 (Claiming), Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 3 / Column 8 → 2 (Hidden Single)
- Row 1 / Column 2 → 6 (Hidden Single)
- Row 8 / Column 8 → 6 (Hidden Single)
- Row 8 / Column 7 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b2 => r1c1<>4
- Locked Candidates Type 1 (Pointing): 8 in b2 => r3c123<>8
- Locked Candidates Type 1 (Pointing): 9 in b3 => r1c1<>9
- Naked Triple: 1,6,8 in r4c56,r6c5 => r5c46<>1, r5c46,r6c4<>8
- Row 5 / Column 6 → 5 (Naked Single)
- Row 5 / Column 8 → 1 (Hidden Single)
- Row 5 / Column 2 → 4 (Hidden Single)
- Row 6 / Column 8 → 4 (Hidden Single)
- Row 2 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 8 → 9 (Hidden Single)
- Naked Triple: 1,2,8 in r7c46,r9c4 => r9c56<>1, r9c56<>8
- Locked Candidates Type 2 (Claiming): 8 in c5 => r4c6<>8
- Naked Triple: 3,7,8 in r9c138 => r9c49<>8, r9c9<>7
- Locked Candidates Type 1 (Pointing): 8 in b8 => r7c279<>8
- Row 8 / Column 9 → 8 (Hidden Single)
- Row 8 / Column 1 → 5 (Naked Single)
- Row 8 / Column 2 → 2 (Full House)
- Row 6 / Column 3 → 5 (Hidden Single)
- Row 6 / Column 5 → 6 (Hidden Single)
- Row 4 / Column 6 → 1 (Naked Single)
- Row 9 / Column 5 → 4 (Naked Single)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 1 / Column 5 → 1 (Full House)
- Row 7 / Column 6 → 8 (Naked Single)
- Row 9 / Column 6 → 6 (Naked Single)
- Row 4 / Column 2 → 7 (Naked Single)
- Row 1 / Column 1 → 7 (Naked Single)
- Row 1 / Column 4 → 5 (Naked Single)
- Row 3 / Column 6 → 3 (Naked Single)
- Row 1 / Column 6 → 4 (Full House)
- Row 3 / Column 4 → 8 (Full House)
- Row 7 / Column 2 → 3 (Naked Single)
- Row 9 / Column 1 → 8 (Naked Single)
- Row 9 / Column 3 → 7 (Full House)
- Row 1 / Column 9 → 9 (Naked Single)
- Row 1 / Column 7 → 3 (Full House)
- Row 3 / Column 2 → 5 (Naked Single)
- Row 2 / Column 2 → 8 (Full House)
- Row 3 / Column 3 → 9 (Naked Single)
- Row 3 / Column 1 → 1 (Full House)
- Row 6 / Column 1 → 9 (Full House)
- Row 2 / Column 3 → 3 (Full House)
- Row 9 / Column 8 → 3 (Naked Single)
- Row 2 / Column 8 → 7 (Full House)
- Row 2 / Column 9 → 5 (Full House)
- Row 4 / Column 9 → 2 (Naked Single)
- Row 4 / Column 3 → 6 (Naked Single)
- Row 5 / Column 3 → 8 (Full House)
- Row 4 / Column 7 → 9 (Full House)
- Row 6 / Column 4 → 7 (Naked Single)
- Row 5 / Column 4 → 9 (Full House)
- Row 5 / Column 7 → 7 (Full House)
- Row 6 / Column 7 → 8 (Full House)
- Row 7 / Column 7 → 2 (Full House)
- Row 9 / Column 9 → 1 (Naked Single)
- Row 7 / Column 9 → 7 (Full House)
- Row 7 / Column 4 → 1 (Full House)
- Row 9 / Column 4 → 2 (Full House)
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