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

This Sudoku Puzzle has 18 steps and it is solved using Full House, Naked Single, Give Up techniques.

Try To Solve This Puzzle

Solution Steps:

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