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

This Sudoku Puzzle has 18 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 4 / Column 1 → 9 (Full House)
  2. Row 7 / Column 9 → 5 (Full House)
  3. Row 3 / Column 1 → 4 (Naked Single)
  4. Row 7 / Column 2 → 9 (Naked Single)
  5. Row 7 / Column 1 → 1 (Full House)
  6. Row 1 / Column 8 → 4 (Naked Single)
  7. Row 2 / Column 8 → 5 (Naked Single)
  8. Row 3 / Column 8 → 6 (Full House)
  9. Row 3 / Column 9 → 8 (Full House)
  10. Row 1 / Column 9 → 1 (Full House)
  11. Row 1 / Column 2 → 3 (Naked Single)
  12. Row 9 / Column 2 → 6 (Full House)
  13. Row 1 / Column 3 → 8 (Naked Single)
  14. Row 9 / Column 3 → 5 (Full House)
  15. Row 9 / Column 1 → 3 (Full House)
  16. Row 1 / Column 7 → 2 (Full House)
  17. Row 2 / Column 1 → 2 (Full House)
  18. Row 2 / Column 7 → 3 (Full House)
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