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

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

Try To Solve This Puzzle

Solution Steps:

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