Solution for Medium Sudoku #41854629713101
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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 → 4 (Hidden Single)
- Row 1 / Column 8 → 4 (Hidden Single)
- Row 7 / Column 2 → 8 (Hidden Single)
- Row 9 / Column 7 → 8 (Hidden Single)
- Row 7 / Column 4 → 6 (Hidden Single)
- Row 8 / Column 1 → 4 (Hidden Single)
- Row 3 / Column 8 → 1 (Hidden Single)
- Row 3 / Column 1 → 8 (Naked Single)
- Row 9 / Column 8 → 9 (Hidden Single)
- Row 7 / Column 9 → 1 (Hidden Single)
- Row 6 / Column 3 → 8 (Hidden Single)
- Row 1 / Column 3 → 6 (Hidden Single)
- Row 2 / Column 3 → 7 (Hidden Single)
- Row 2 / Column 9 → 3 (Naked Single)
- Row 1 / Column 7 → 7 (Full House)
- Locked Candidates Type 1 (Pointing): 9 in b2 => r1c12<>9
- Row 1 / Column 1 → 1 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b7 => r9c46<>5
- Locked Candidates Type 1 (Pointing): 5 in b8 => r46c6<>5
- Locked Candidates Type 1 (Pointing): 3 in b9 => r8c6<>3
- Naked Pair: 2,3 in r1c25 => r1c46<>2, r1c6<>3
- Naked Pair: 2,7 in r9c49 => r9c56<>2, r9c56<>7
- Locked Candidates Type 2 (Claiming): 7 in c5 => r4c46,r6c46<>7
- Naked Pair: 2,7 in r39c4 => r6c4<>2
- Naked Pair: 8,9 in r14c6 => r6c6<>9
- Naked Triple: 5,8,9 in r4c146 => r4c278<>5, r4c27<>9
- Row 4 / Column 7 → 3 (Naked Single)
- Row 8 / Column 7 → 5 (Naked Single)
- Row 5 / Column 7 → 9 (Full House)
- Row 7 / Column 8 → 7 (Naked Single)
- Row 7 / Column 6 → 5 (Full House)
- Row 8 / Column 6 → 2 (Naked Single)
- Row 4 / Column 8 → 6 (Naked Single)
- Row 9 / Column 9 → 2 (Naked Single)
- Row 6 / Column 6 → 4 (Naked Single)
- Row 8 / Column 9 → 6 (Naked Single)
- Row 8 / Column 8 → 3 (Full House)
- Row 6 / Column 9 → 7 (Full House)
- Row 9 / Column 4 → 7 (Naked Single)
- Row 4 / Column 2 → 1 (Naked Single)
- Row 9 / Column 6 → 3 (Naked Single)
- Row 9 / Column 5 → 4 (Full House)
- Row 6 / Column 5 → 2 (Naked Single)
- Row 3 / Column 4 → 2 (Naked Single)
- Row 4 / Column 5 → 7 (Naked Single)
- Row 5 / Column 3 → 5 (Naked Single)
- Row 9 / Column 3 → 1 (Full House)
- Row 9 / Column 2 → 5 (Full House)
- Row 3 / Column 6 → 7 (Naked Single)
- Row 3 / Column 2 → 3 (Full House)
- Row 1 / Column 5 → 3 (Naked Single)
- Row 5 / Column 5 → 1 (Full House)
- Row 6 / Column 8 → 5 (Naked Single)
- Row 5 / Column 8 → 2 (Full House)
- Row 5 / Column 2 → 4 (Full House)
- Row 4 / Column 1 → 9 (Naked Single)
- Row 2 / Column 1 → 5 (Full House)
- Row 2 / Column 2 → 9 (Full House)
- Row 1 / Column 2 → 2 (Full House)
- Row 6 / Column 2 → 6 (Full House)
- Row 6 / Column 4 → 9 (Full House)
- Row 4 / Column 6 → 8 (Naked Single)
- Row 1 / Column 6 → 9 (Full House)
- Row 1 / Column 4 → 8 (Full House)
- Row 4 / Column 4 → 5 (Full House)
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