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

This Sudoku Puzzle has steps and it is solved using techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 7 / Column 9 → 7 (Hidden Single)
  2. Row 2 / Column 7 → 7 (Hidden Single)
  3. Row 4 / Column 1 → 7 (Hidden Single)
  4. Row 9 / Column 4 → 5 (Hidden Single)
  5. Row 9 / Column 7 → 8 (Hidden Single)
  6. Row 1 / Column 8 → 5 (Hidden Single)
  7. Row 9 / Column 6 → 3 (Hidden Single)
  8. Locked Pair: 1,9 in r7c5,r8c5 => r4c5<>1,r4c5<>9,r6c5<>1,r6c5<>9
  9. Locked Candidates Type 1 (Pointing): 3 in b7 => r2c3<>3
  10. Naked Triple: 1,3,9 in r8c5,r8c7,r8c8 => r8c1<>1,r8c1<>9,r8c3<>1,r8c3<>3,r8c3<>9,r8c9<>1,r8c9<>3,r8c9<>9
  11. Row 8 / Column 9 → 2 (Naked Single)
  12. Row 7 / Column 3 → 3 (Hidden Single)
  13. XY-Wing: 2/6/1 in r4c2,r4c6,r5c1 => r5c6<>1
  14. Row 5 / Column 6 → 8 (Naked Single)
  15. Row 1 / Column 1 → 8 (Hidden Single)
  16. Row 2 / Column 5 → 8 (Hidden Single)
  17. Row 6 / Column 9 → 8 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 4 in b1 => r2c9<>4
  19. 2-String Kite: 1 in r5c1,r5c9,r6c3,r9c3 => r9c9<>1
  20. Locked Candidates Type 2 (Claiming): 1 in r9 => r7c1<>1
  21. 2-String Kite: 6 in r5c4,r5c1,r4c5,r3c5 => r3c1<>6
  22. Uniqueness Test 2: 1/3 in r3c7,r3c8,r8c7,r8c8 => r7c8<>9,r8c5<>9,r9c9<>9
  23. Row 8 / Column 5 → 9 (Naked Single)
  24. Row 1 / Column 3 → 6 (Brute Force)
  25. Row 1 / Column 4 → 7 (Brute Force)
  26. Row 1 / Column 6 → 2 (Brute Force)
  27. Row 1 / Column 7 → 9 (Brute Force)
  28. Row 1 / Column 9 → 4 (Brute Force)
  29. Row 2 / Column 1 → 4 (Brute Force)
  30. Row 2 / Column 2 → 3 (Brute Force)
  31. Row 2 / Column 3 → 9 (Brute Force)
  32. Row 2 / Column 9 → 6 (Brute Force)
  33. Row 3 / Column 1 → 5 (Brute Force)
  34. Row 3 / Column 2 → 2 (Brute Force)
  35. Row 3 / Column 5 → 6 (Brute Force)
  36. Row 3 / Column 7 → 3 (Brute Force)
  37. Row 3 / Column 9 → 1 (Brute Force)
  38. Row 4 / Column 2 → 6 (Brute Force)
  39. Row 4 / Column 4 → 3 (Brute Force)
  40. Row 4 / Column 5 → 2 (Brute Force)
  41. Row 4 / Column 6 → 1 (Brute Force)
  42. Row 4 / Column 7 → 4 (Brute Force)
  43. Row 4 / Column 8 → 9 (Brute Force)
  44. Row 5 / Column 1 → 1 (Brute Force)
  45. Row 5 / Column 4 → 6 (Brute Force)
  46. Row 5 / Column 9 → 3 (Brute Force)
  47. Row 6 / Column 2 → 5 (Brute Force)
  48. Row 6 / Column 3 → 2 (Brute Force)
  49. Row 6 / Column 4 → 9 (Brute Force)
  50. Row 6 / Column 5 → 4 (Brute Force)
  51. Row 6 / Column 6 → 7 (Brute Force)
  52. Row 6 / Column 8 → 1 (Brute Force)
  53. Row 7 / Column 1 → 9 (Brute Force)
  54. Row 7 / Column 5 → 1 (Brute Force)
  55. Row 7 / Column 8 → 4 (Brute Force)
  56. Row 8 / Column 1 → 6 (Brute Force)
  57. Row 8 / Column 3 → 5 (Brute Force)
  58. Row 8 / Column 7 → 1 (Brute Force)
  59. Row 8 / Column 8 → 3 (Brute Force)
  60. Row 9 / Column 1 → 2 (Brute Force)
  61. Row 9 / Column 2 → 4 (Brute Force)
  62. Row 9 / Column 3 → 1 (Brute Force)
  63. Row 9 / Column 9 → 9 (Brute Force)
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