5
6
8
3
4
2
1
9
7
4
7
2
9
5
1
6
3
8
9
1
3
6
8
7
2
5
4
2
1
9
7
3
4
6
8
5
7
4
6
5
8
9
1
2
3
5
3
8
1
6
2
4
7
9
9
2
6
8
5
1
4
7
3
8
1
7
3
9
4
2
6
5
3
4
5
7
2
6
8
9
1
This Sudoku Puzzle has 60 steps and it is solved using Locked Candidates Type 1 (Pointing), Naked Pair, Naked Triple, Naked Single, Hidden Single, Full House, Remote Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Locked Candidates Type 1 (Pointing): 3 in b4 => r5c6<>3
- Locked Candidates Type 1 (Pointing): 7 in b4 => r5c89<>7
- Locked Candidates Type 1 (Pointing): 8 in b7 => r12c1<>8
- Locked Candidates Type 1 (Pointing): 5 in b9 => r2c9<>5
- Naked Pair: 5,9 in r38c2 => r2c2<>5, r2c2<>9
- Naked Triple: 1,6,8 in r4c9,r5c78 => r56c9,r6c8<>1, r5c9<>6, r5c9<>8
- Row 6 / Column 8 → 7 (Naked Single)
- Row 3 / Column 3 → 7 (Hidden Single)
- Row 1 / Column 1 → 5 (Naked Single)
- Row 5 / Column 3 → 4 (Naked Single)
- Row 1 / Column 3 → 8 (Full House)
- Row 3 / Column 2 → 9 (Naked Single)
- Row 5 / Column 2 → 3 (Naked Single)
- Row 5 / Column 1 → 7 (Full House)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 2 / Column 1 → 3 (Naked Single)
- Row 2 / Column 2 → 4 (Full House)
- Row 8 / Column 2 → 5 (Full House)
- Row 2 / Column 9 → 7 (Hidden Single)
- Row 1 / Column 5 → 7 (Hidden Single)
- Row 2 / Column 5 → 5 (Hidden Single)
- Row 3 / Column 8 → 5 (Hidden Single)
- Row 7 / Column 9 → 5 (Hidden Single)
- Row 5 / Column 7 → 1 (Hidden Single)
- Row 9 / Column 9 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b3 => r2c46<>6
- Locked Candidates Type 1 (Pointing): 8 in b3 => r2c46<>8
- Naked Pair: 6,8 in r34c6 => r58c6<>6, r58c6<>8
- Naked Pair: 2,9 in r5c69 => r5c5<>2, r5c5<>9
- Naked Triple: 6,8,9 in r8c159 => r8c4<>6, r8c4<>8, r8c46<>9
- Remote Pair: 6/8 r3c4 -8- r3c6 -6- r4c6 -8- r5c5 -6- r5c8 -8- r4c9 -6- r8c9 -8- r9c7 => r8c5,r9c4<>6, r8c5,r9c4<>8
- Row 8 / Column 5 → 9 (Naked Single)
- Row 9 / Column 4 → 2 (Naked Single)
- Row 8 / Column 1 → 8 (Naked Single)
- Row 7 / Column 1 → 9 (Full House)
- Row 1 / Column 4 → 4 (Naked Single)
- Row 1 / Column 6 → 2 (Full House)
- Row 8 / Column 9 → 6 (Naked Single)
- Row 9 / Column 7 → 8 (Full House)
- Row 2 / Column 7 → 6 (Full House)
- Row 9 / Column 5 → 6 (Full House)
- Row 2 / Column 8 → 8 (Full House)
- Row 5 / Column 8 → 6 (Full House)
- Row 8 / Column 4 → 3 (Naked Single)
- Row 8 / Column 6 → 4 (Full House)
- Row 5 / Column 6 → 9 (Naked Single)
- Row 4 / Column 9 → 8 (Naked Single)
- Row 4 / Column 6 → 6 (Full House)
- Row 5 / Column 5 → 8 (Naked Single)
- Row 5 / Column 9 → 2 (Full House)
- Row 6 / Column 9 → 9 (Full House)
- Row 2 / Column 6 → 1 (Naked Single)
- Row 2 / Column 4 → 9 (Full House)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 3 / Column 6 → 8 (Naked Single)
- Row 6 / Column 6 → 3 (Full House)
- Row 6 / Column 5 → 2 (Full House)
- Row 7 / Column 5 → 1 (Full House)
- Row 7 / Column 4 → 8 (Full House)
- Row 3 / Column 4 → 6 (Full House)
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