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

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