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

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