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

This Sudoku Puzzle has 32 steps and it is solved using Naked Single, Hidden Single, Full House, Locked Candidates Type 2 (Claiming), Skyscraper, Naked Triple, undefined, Uniqueness Test 2, Discontinuous Nice Loop, Give Up techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 6 / Column 2 → 7 (Naked Single)
  2. Row 3 / Column 3 → 2 (Hidden Single)
  3. Row 4 / Column 7 → 2 (Hidden Single)
  4. Row 2 / Column 7 → 7 (Hidden Single)
  5. Row 6 / Column 5 → 2 (Hidden Single)
  6. Row 4 / Column 2 → 4 (Hidden Single)
  7. Row 9 / Column 8 → 7 (Hidden Single)
  8. Row 7 / Column 9 → 2 (Hidden Single)
  9. Row 8 / Column 4 → 9 (Hidden Single)
  10. Row 4 / Column 4 → 6 (Naked Single)
  11. Row 5 / Column 5 → 3 (Naked Single)
  12. Row 5 / Column 6 → 9 (Full House)
  13. Row 5 / Column 1 → 6 (Naked Single)
  14. Row 2 / Column 1 → 8 (Naked Single)
  15. Row 7 / Column 1 → 9 (Full House)
  16. Row 6 / Column 3 → 9 (Naked Single)
  17. Row 4 / Column 3 → 1 (Full House)
  18. Row 4 / Column 8 → 9 (Full House)
  19. Row 1 / Column 2 → 3 (Naked Single)
  20. Row 2 / Column 3 → 6 (Full House)
  21. Row 1 / Column 9 → 9 (Hidden Single)
  22. Row 2 / Column 6 → 4 (Hidden Single)
  23. Row 9 / Column 5 → 4 (Hidden Single)
  24. Locked Candidates Type 2 (Claiming): 3 in r8 => r7c78<>3
  25. Skyscraper: 5 in r8c9,r9c4 (connected by r3c49) => r8c5<>5
  26. Locked Candidates Type 2 (Claiming): 5 in r8 => r7c78<>5
  27. Naked Triple: 1,4,8 in r7c278 => r7c5<>1, r7c56<>8
  28. 2-String Kite: 1 in r2c9,r8c5 (connected by r2c4,r3c5) => r8c9<>1
  29. Locked Candidates Type 2 (Claiming): 1 in c9 => r3c78<>1
  30. Uniqueness Test 2: 1/3 in r2c49,r3c49 => r3c578<>5
  31. Discontinuous Nice Loop: 3 r3c4 -3- r2c4 -1- r2c9 =1= r3c9 =5= r3c4 => r3c4<>3
  32. Give Up: Don't know how to proceed!
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