9
4
7
3
2
2
6
8
2
3
5
6
7
9
2
7
1
4
8
2
1
8
4
1
5
3
9
5
6
9
7
3
1
8
2
4
2
8
3
4
6
5
1
7
5
7
1
7
9
8
2
4
6
4
2
7
3
1
5
5
4
9
8
8
4
9
6
3
7
5
2
1
1
5
6
2
9
8
3
7
3
This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Triple, Full House techniques.
Try To Solve This PuzzleSolution Steps:
- Row 8 / Column 7 → 2 (Hidden Single)
- Row 2 / Column 1 → 3 (Hidden Single)
- Row 8 / Column 8 → 9 (Hidden Single)
- Locked Pair: 7,8 in r46c5 => r3c5<>7, r39c5,r456c6<>8
- Row 4 / Column 6 → 3 (Naked Single)
- Row 5 / Column 6 → 5 (Naked Single)
- Row 6 / Column 6 → 5 (Naked Single)
- Locked Triple: 1,5,6 in r8c123 => r8c4,r9c3<>5, r7c23,r8c4,r9c3<>6, r7c23,r9c3<>1
- Row 8 / Column 4 → 6 (Naked Single)
- Row 7 / Column 4 → 8 (Naked Single)
- Row 8 / Column 1 → 1 (Naked Single)
- Row 2 / Column 4 → 7 (Naked Single)
- Row 3 / Column 4 → 7 (Naked Single)
- Row 7 / Column 2 → 7 (Naked Single)
- Row 9 / Column 4 → 5 (Naked Single)
- Row 8 / Column 2 → 5 (Naked Single)
- Row 8 / Column 3 → 5 (Naked Single)
- Row 7 / Column 3 → 3 (Naked Single)
- Row 9 / Column 3 → 8 (Naked Single)
- Row 5 / Column 3 → 1 (Hidden Single)
- Row 1 / Column 3 → 7 (Hidden Single)
- Row 5 / Column 9 → 2 (Hidden Single)
- Row 5 / Column 7 → 9 (Hidden Single)
- Row 3 / Column 9 → 9 (Hidden Single)
- Row 4 / Column 3 → 9 (Hidden Single)
- Row 3 / Column 7 → 5 (Hidden Single)
- Locked Pair: 1,6 in r12c9 => r12c7,r4679c9<>6, r12c7,r79c9<>1
- Row 7 / Column 9 → 6 (Naked Single)
- Row 1 / Column 7 → 8 (Naked Single)
- Row 2 / Column 7 → 8 (Naked Single)
- Row 1 / Column 9 → 1 (Naked Single)
- Row 2 / Column 9 → 1 (Naked Single)
- Row 7 / Column 7 → 1 (Naked Single)
- Row 9 / Column 8 → 7 (Naked Single)
- Row 5 / Column 8 → 8 (Naked Single)
- Row 5 / Column 1 → 7 (Full House)
- Row 6 / Column 8 → 6 (Full House)
- Row 9 / Column 7 → 3 (Naked Single)
- Row 9 / Column 9 → 3 (Naked Single)
- Row 6 / Column 1 → 8 (Naked Single)
- Row 3 / Column 1 → 6 (Full House)
- Row 6 / Column 5 → 7 (Naked Single)
- Row 1 / Column 2 → 4 (Naked Single)
- Row 1 / Column 6 → 6 (Full House)
- Row 2 / Column 2 → 2 (Naked Single)
- Row 2 / Column 3 → 2 (Naked Single)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 6 / Column 7 → 4 (Naked Single)
- Row 6 / Column 9 → 4 (Naked Single)
- Row 3 / Column 3 → 2 (Naked Single)
- Row 4 / Column 2 → 6 (Naked Single)
- Row 4 / Column 7 → 7 (Full House)
- Row 4 / Column 9 → 7 (Full House)
- Row 6 / Column 2 → 2 (Naked Single)
- Row 2 / Column 6 → 2 (Naked Single)
- Row 6 / Column 3 → 4 (Naked Single)
- Row 3 / Column 5 → 1 (Naked Single)
- Row 9 / Column 5 → 2 (Full House)
- Row 9 / Column 6 → 1 (Naked Single)
- Row 3 / Column 2 → 8 (Naked Single)
- Row 3 / Column 6 → 4 (Naked Single)
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