Solution for Medium Sudoku #44158392764103

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

This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Naked Single, Full House techniques.

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Solution Steps:

  1. Row 5 / Column 9 → 9 (Hidden Single)
  2. Row 4 / Column 3 → 9 (Hidden Single)
  3. Row 8 / Column 5 → 9 (Hidden Single)
  4. Row 5 / Column 6 → 7 (Hidden Single)
  5. Row 7 / Column 4 → 3 (Hidden Single)
  6. Row 3 / Column 7 → 9 (Hidden Single)
  7. Row 4 / Column 2 → 6 (Hidden Single)
  8. Row 3 / Column 6 → 2 (Hidden Single)
  9. Row 5 / Column 4 → 2 (Hidden Single)
  10. Row 7 / Column 6 → 4 (Hidden Single)
  11. Row 9 / Column 5 → 6 (Hidden Single)
  12. Row 7 / Column 3 → 6 (Hidden Single)
  13. Row 8 / Column 8 → 6 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 4 in b1 => r6c3<>4
  15. Locked Candidates Type 1 (Pointing): 1 in b5 => r2c5<>1
  16. Locked Candidates Type 1 (Pointing): 4 in b5 => r1c5<>4
  17. Locked Candidates Type 1 (Pointing): 7 in b9 => r1246c7<>7
  18. Locked Candidates Type 1 (Pointing): 7 in b3 => r46c9<>7
  19. Naked Triple: 1,5,8 in r2c7,r3c89 => r1c79,r2c9<>5, r1c7<>8, r2c9<>1
  20. Row 1 / Column 7 → 3 (Naked Single)
  21. Row 8 / Column 1 → 3 (Hidden Single)
  22. Row 9 / Column 8 → 3 (Hidden Single)
  23. Locked Candidates Type 1 (Pointing): 1 in b9 => r246c7<>1
  24. Row 2 / Column 4 → 1 (Hidden Single)
  25. Row 3 / Column 4 → 4 (Naked Single)
  26. Row 1 / Column 4 → 6 (Full House)
  27. Row 1 / Column 9 → 7 (Naked Single)
  28. Row 2 / Column 9 → 6 (Naked Single)
  29. Row 1 / Column 3 → 4 (Hidden Single)
  30. Locked Candidates Type 1 (Pointing): 5 in b9 => r26c7<>5
  31. Row 2 / Column 7 → 8 (Naked Single)
  32. Row 2 / Column 5 → 5 (Naked Single)
  33. Row 1 / Column 5 → 8 (Full House)
  34. Row 1 / Column 2 → 5 (Full House)
  35. Row 3 / Column 3 → 8 (Naked Single)
  36. Row 8 / Column 6 → 8 (Hidden Single)
  37. Row 9 / Column 6 → 1 (Full House)
  38. Row 9 / Column 7 → 5 (Naked Single)
  39. Row 9 / Column 3 → 2 (Naked Single)
  40. Row 9 / Column 1 → 8 (Full House)
  41. Row 2 / Column 3 → 7 (Naked Single)
  42. Row 2 / Column 2 → 2 (Full House)
  43. Row 8 / Column 3 → 1 (Naked Single)
  44. Row 6 / Column 3 → 5 (Full House)
  45. Row 8 / Column 7 → 7 (Full House)
  46. Row 7 / Column 7 → 1 (Full House)
  47. Row 7 / Column 2 → 7 (Naked Single)
  48. Row 7 / Column 1 → 5 (Full House)
  49. Row 5 / Column 1 → 4 (Naked Single)
  50. Row 5 / Column 5 → 1 (Naked Single)
  51. Row 5 / Column 2 → 8 (Naked Single)
  52. Row 5 / Column 8 → 5 (Full House)
  53. Row 6 / Column 2 → 1 (Full House)
  54. Row 3 / Column 8 → 1 (Naked Single)
  55. Row 3 / Column 9 → 5 (Full House)
  56. Row 6 / Column 9 → 3 (Naked Single)
  57. Row 4 / Column 9 → 1 (Full House)
  58. Row 4 / Column 8 → 7 (Naked Single)
  59. Row 6 / Column 8 → 8 (Full House)
  60. Row 6 / Column 5 → 4 (Naked Single)
  61. Row 4 / Column 5 → 3 (Full House)
  62. Row 4 / Column 1 → 2 (Naked Single)
  63. Row 4 / Column 7 → 4 (Full House)
  64. Row 6 / Column 7 → 2 (Full House)
  65. Row 6 / Column 1 → 7 (Full House)
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