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

This Sudoku Puzzle has 19 steps and it is solved using Naked Single, Full House techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

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