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

This Sudoku Puzzle has 19 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 8 → 8 (Full House)
  2. Row 6 / Column 8 → 2 (Full House)
  3. Row 3 / Column 9 → 6 (Naked Single)
  4. Row 3 / Column 3 → 9 (Full House)
  5. Row 8 / Column 9 → 7 (Full House)
  6. Row 9 / Column 9 → 6 (Full House)
  7. Row 8 / Column 3 → 7 (Full House)
  8. Row 2 / Column 1 → 8 (Naked Single)
  9. Row 7 / Column 1 → 6 (Full House)
  10. Row 2 / Column 7 → 9 (Full House)
  11. Row 1 / Column 2 → 6 (Full House)
  12. Row 1 / Column 7 → 7 (Naked Single)
  13. Row 1 / Column 8 → 6 (Full House)
  14. Row 7 / Column 7 → 9 (Full House)
  15. Row 9 / Column 3 → 2 (Naked Single)
  16. Row 7 / Column 2 → 9 (Naked Single)
  17. Row 7 / Column 6 → 2 (Naked Single)
  18. Row 9 / Column 6 → 9 (Full House)
  19. Row 9 / Column 2 → 8 (Naked Single)
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