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

This Sudoku Puzzle has 32 steps and it is solved using Locked Candidates Type 2 (Claiming), Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Remote Pair techniques.

Naked Single Explanation
Hidden Single Explanation
Locked Candidates Explanation
Locked Candidates Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Locked Candidates Type 2 (Claiming): 2 in c9 => r5c8,r6c7<>2
  2. Row 5 / Column 5 → 2 (Hidden Single)
  3. Row 1 / Column 5 → 9 (Hidden Single)
  4. Row 1 / Column 8 → 5 (Hidden Single)
  5. Row 2 / Column 9 → 6 (Naked Single)
  6. Row 6 / Column 9 → 2 (Naked Single)
  7. Row 4 / Column 9 → 5 (Full House)
  8. Row 2 / Column 5 → 5 (Hidden Single)
  9. Row 5 / Column 2 → 5 (Hidden Single)
  10. Row 4 / Column 1 → 2 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 6 in b1 => r1c4<>6
  12. Remote Pair: 1/6 r1c2 -6- r4c2 -1- r4c5 -6- r3c5 => r1c4<>1
  13. Row 1 / Column 4 → 8 (Naked Single)
  14. Row 2 / Column 1 → 8 (Hidden Single)
  15. Row 2 / Column 8 → 1 (Full House)
  16. Row 3 / Column 7 → 2 (Naked Single)
  17. Row 3 / Column 8 → 8 (Full House)
  18. Row 5 / Column 8 → 6 (Naked Single)
  19. Row 6 / Column 7 → 1 (Full House)
  20. Row 8 / Column 7 → 6 (Full House)
  21. Row 8 / Column 8 → 2 (Full House)
  22. Row 6 / Column 1 → 6 (Full House)
  23. Row 1 / Column 1 → 1 (Full House)
  24. Row 4 / Column 2 → 1 (Full House)
  25. Row 1 / Column 2 → 6 (Full House)
  26. Row 4 / Column 5 → 6 (Full House)
  27. Row 3 / Column 5 → 1 (Full House)
  28. Row 3 / Column 4 → 6 (Full House)
  29. Row 5 / Column 6 → 9 (Naked Single)
  30. Row 5 / Column 4 → 1 (Full House)
  31. Row 7 / Column 4 → 9 (Full House)
  32. Row 7 / Column 6 → 6 (Full House)
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