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

This Sudoku Puzzle has 20 steps and it is solved using Full House, Naked Single techniques.

Try To Solve This Puzzle

Solution Steps:

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