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

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

Try To Solve This Puzzle

Solution Steps:

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