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

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

Try To Solve This Puzzle

Solution Steps:

  1. Row 3 / Column 4 → 2 (Full House)
  2. Row 4 / Column 1 → 2 (Naked Single)
  3. Row 8 / Column 1 → 8 (Full House)
  4. Row 7 / Column 3 → 1 (Naked Single)
  5. Row 6 / Column 6 → 1 (Naked Single)
  6. Row 5 / Column 6 → 7 (Full House)
  7. Row 4 / Column 9 → 7 (Naked Single)
  8. Row 9 / Column 3 → 5 (Naked Single)
  9. Row 5 / Column 3 → 8 (Full House)
  10. Row 6 / Column 2 → 9 (Naked Single)
  11. Row 4 / Column 5 → 6 (Naked Single)
  12. Row 4 / Column 2 → 1 (Full House)
  13. Row 5 / Column 2 → 6 (Full House)
  14. Row 5 / Column 4 → 9 (Naked Single)
  15. Row 6 / Column 4 → 8 (Naked Single)
  16. Row 6 / Column 5 → 4 (Full House)
  17. Row 8 / Column 4 → 1 (Full House)
  18. Row 5 / Column 8 → 1 (Hidden Single)
  19. Row 8 / Column 5 → 9 (Hidden Single)
  20. Give Up: Don't know how to proceed!
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