Solution for Medium Sudoku #11621853947101
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6
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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 3 / Column 6 → 8 (Hidden Single)
- Row 2 / Column 9 → 1 (Hidden Single)
- Row 3 / Column 8 → 6 (Hidden Single)
- Row 1 / Column 3 → 6 (Hidden Single)
- Row 9 / Column 2 → 1 (Hidden Single)
- Row 8 / Column 6 → 1 (Hidden Single)
- Row 1 / Column 2 → 3 (Hidden Single)
- Row 7 / Column 2 → 4 (Hidden Single)
- Row 7 / Column 9 → 6 (Naked Single)
- Row 3 / Column 1 → 4 (Hidden Single)
- Row 4 / Column 7 → 6 (Hidden Single)
- Row 9 / Column 7 → 8 (Hidden Single)
- Row 8 / Column 7 → 9 (Hidden Single)
- Row 8 / Column 1 → 7 (Naked Single)
- Row 9 / Column 3 → 9 (Full House)
- Locked Candidates Type 1 (Pointing): 7 in b1 => r2c4<>7
- Locked Candidates Type 1 (Pointing): 2 in b3 => r1c46<>2
- Locked Candidates Type 1 (Pointing): 2 in b2 => r46c4<>2
- Locked Candidates Type 1 (Pointing): 3 in b8 => r9c89<>3
- Row 9 / Column 9 → 4 (Naked Single)
- Naked Pair: 5,9 in r1c16 => r1c45<>5, r1c45<>9
- Locked Candidates Type 2 (Claiming): 9 in c5 => r4c46,r6c46<>9
- Naked Pair: 5,7 in r9c58 => r9c46<>5, r9c4<>7
- Naked Pair: 3,6 in r69c4 => r4c4<>3
- Naked Pair: 5,9 in r17c6 => r4c6<>5
- Naked Triple: 2,3,6 in r6c469 => r6c238<>2, r6c38<>3
- Row 6 / Column 3 → 7 (Naked Single)
- Row 2 / Column 3 → 2 (Naked Single)
- Row 5 / Column 3 → 3 (Full House)
- Row 2 / Column 4 → 5 (Naked Single)
- Row 3 / Column 2 → 9 (Naked Single)
- Row 3 / Column 4 → 2 (Full House)
- Row 1 / Column 6 → 9 (Naked Single)
- Row 2 / Column 1 → 8 (Naked Single)
- Row 2 / Column 2 → 7 (Full House)
- Row 1 / Column 1 → 5 (Full House)
- Row 4 / Column 1 → 9 (Full House)
- Row 4 / Column 4 → 1 (Naked Single)
- Row 6 / Column 2 → 8 (Naked Single)
- Row 7 / Column 6 → 5 (Naked Single)
- Row 1 / Column 4 → 7 (Naked Single)
- Row 1 / Column 5 → 1 (Full House)
- Row 4 / Column 5 → 5 (Naked Single)
- Row 6 / Column 8 → 4 (Naked Single)
- Row 7 / Column 8 → 7 (Naked Single)
- Row 7 / Column 4 → 9 (Full House)
- Row 9 / Column 5 → 7 (Naked Single)
- Row 4 / Column 2 → 2 (Naked Single)
- Row 5 / Column 2 → 5 (Full House)
- Row 5 / Column 5 → 4 (Naked Single)
- Row 6 / Column 5 → 9 (Full House)
- Row 1 / Column 8 → 2 (Naked Single)
- Row 1 / Column 7 → 4 (Full House)
- Row 5 / Column 7 → 2 (Full House)
- Row 5 / Column 8 → 1 (Full House)
- Row 9 / Column 8 → 5 (Naked Single)
- Row 4 / Column 6 → 3 (Naked Single)
- Row 4 / Column 8 → 8 (Full House)
- Row 8 / Column 8 → 3 (Full House)
- Row 6 / Column 9 → 3 (Full House)
- Row 8 / Column 9 → 2 (Full House)
- Row 6 / Column 4 → 6 (Naked Single)
- Row 6 / Column 6 → 2 (Full House)
- Row 9 / Column 6 → 6 (Full House)
- Row 9 / Column 4 → 3 (Full House)
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