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

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