Solution for Medium Sudoku #42847231659103

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

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 4 → 6 (Hidden Single)
  2. Row 3 / Column 6 → 2 (Hidden Single)
  3. Row 5 / Column 1 → 3 (Hidden Single)
  4. Row 6 / Column 7 → 3 (Hidden Single)
  5. Row 2 / Column 5 → 3 (Hidden Single)
  6. Row 7 / Column 4 → 1 (Hidden Single)
  7. Row 5 / Column 6 → 1 (Hidden Single)
  8. Row 3 / Column 4 → 9 (Hidden Single)
  9. Row 7 / Column 3 → 3 (Hidden Single)
  10. Row 6 / Column 8 → 5 (Hidden Single)
  11. Row 1 / Column 5 → 5 (Hidden Single)
  12. Row 3 / Column 7 → 5 (Hidden Single)
  13. Row 2 / Column 2 → 5 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 6 in b1 => r4689c3<>6
  15. Locked Candidates Type 1 (Pointing): 8 in b5 => r8c5<>8
  16. Locked Candidates Type 1 (Pointing): 9 in b5 => r9c5<>9
  17. Locked Candidates Type 1 (Pointing): 6 in b7 => r46c1<>6
  18. Locked Candidates Type 1 (Pointing): 9 in b9 => r4c7<>9
  19. Naked Triple: 4,7,8 in r7c12,r8c3 => r89c1,r9c3<>4, r8c1<>8, r9c3<>7
  20. Row 9 / Column 3 → 2 (Naked Single)
  21. Row 2 / Column 9 → 2 (Hidden Single)
  22. Row 1 / Column 2 → 2 (Hidden Single)
  23. Locked Candidates Type 1 (Pointing): 4 in b1 => r48c3<>4
  24. Locked Candidates Type 1 (Pointing): 8 in b1 => r468c3<>8
  25. Row 8 / Column 3 → 7 (Naked Single)
  26. Row 8 / Column 5 → 4 (Naked Single)
  27. Row 9 / Column 5 → 7 (Naked Single)
  28. Row 8 / Column 6 → 8 (Hidden Single)
  29. Row 7 / Column 6 → 9 (Naked Single)
  30. Row 9 / Column 6 → 5 (Full House)
  31. Row 9 / Column 1 → 6 (Naked Single)
  32. Row 8 / Column 1 → 5 (Naked Single)
  33. Row 9 / Column 8 → 4 (Naked Single)
  34. Row 9 / Column 7 → 9 (Full House)
  35. Row 7 / Column 7 → 7 (Naked Single)
  36. Row 2 / Column 4 → 7 (Hidden Single)
  37. Row 1 / Column 4 → 8 (Full House)
  38. Row 1 / Column 3 → 4 (Naked Single)
  39. Row 1 / Column 7 → 1 (Naked Single)
  40. Row 1 / Column 9 → 7 (Full House)
  41. Row 8 / Column 7 → 6 (Naked Single)
  42. Row 8 / Column 8 → 1 (Full House)
  43. Row 2 / Column 7 → 8 (Naked Single)
  44. Row 2 / Column 3 → 6 (Full House)
  45. Row 4 / Column 7 → 4 (Full House)
  46. Row 3 / Column 3 → 8 (Full House)
  47. Row 3 / Column 8 → 6 (Naked Single)
  48. Row 3 / Column 9 → 4 (Full House)
  49. Row 5 / Column 9 → 9 (Naked Single)
  50. Row 5 / Column 5 → 8 (Naked Single)
  51. Row 5 / Column 8 → 7 (Naked Single)
  52. Row 4 / Column 8 → 8 (Full House)
  53. Row 5 / Column 2 → 4 (Full House)
  54. Row 4 / Column 1 → 2 (Naked Single)
  55. Row 7 / Column 2 → 8 (Naked Single)
  56. Row 7 / Column 1 → 4 (Full House)
  57. Row 6 / Column 1 → 8 (Full House)
  58. Row 4 / Column 5 → 9 (Naked Single)
  59. Row 6 / Column 5 → 2 (Full House)
  60. Row 6 / Column 2 → 6 (Naked Single)
  61. Row 4 / Column 2 → 7 (Full House)
  62. Row 4 / Column 3 → 1 (Naked Single)
  63. Row 4 / Column 9 → 6 (Full House)
  64. Row 6 / Column 9 → 1 (Full House)
  65. Row 6 / Column 3 → 9 (Full House)
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