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

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

Try To Solve This Puzzle

Solution Steps:

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