9
3
5
4
2
6
8
1
7
4
2
1
5
8
7
9
6
3
8
7
6
1
9
3
2
5
4
3
9
1
5
4
8
6
9
2
2
7
8
6
1
4
3
5
9
6
4
5
9
2
7
7
4
1
7
5
9
1
8
3
2
6
4
8
3
6
7
4
2
1
9
5
4
1
2
5
6
9
3
8
7

This Sudoku Puzzle has 9 steps and it is solved using Full House, Naked Single techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 5 / Column 9 → 7 (Full House)
  2. Row 4 / Column 8 → 4 (Full House)
  3. Row 6 / Column 8 → 4 (Full House)
  4. Row 5 / Column 6 → 4 (Naked Single)
  5. Row 5 / Column 2 → 4 (Naked Single)
  6. Row 4 / Column 2 → 9 (Naked Single)
  7. Row 4 / Column 6 → 8 (Full House)
  8. Row 6 / Column 6 → 9 (Full House)
  9. Row 6 / Column 2 → 9 (Naked Single)
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