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

This Sudoku Puzzle has 21 steps and it is solved using Full House, Naked Single, Hidden Single techniques.

Try To Solve This Puzzle

Solution Steps:

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