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

This Sudoku Puzzle has 12 steps and it is solved using Full House, Naked Single techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 6 / Column 3 → 2 (Full House)
  2. Row 8 / Column 2 → 1 (Full House)
  3. Row 2 / Column 1 → 9 (Naked Single)
  4. Row 1 / Column 1 → 3 (Full House)
  5. Row 3 / Column 1 → 3 (Full House)
  6. Row 1 / Column 9 → 7 (Full House)
  7. Row 3 / Column 9 → 7 (Full House)
  8. Row 1 / Column 4 → 9 (Full House)
  9. Row 2 / Column 4 → 7 (Full House)
  10. Row 2 / Column 7 → 1 (Full House)
  11. Row 3 / Column 7 → 9 (Full House)
  12. Row 3 / Column 3 → 1 (Naked Single)
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