Solution for Medium Sudoku #43851236974101

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

This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Pair, Locked Candidates Type 2 (Claiming), Naked Triple techniques.

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Solution Steps:

  1. Row 3 / Column 6 → 2 (Hidden Single)
  2. Row 2 / Column 9 → 1 (Hidden Single)
  3. Row 3 / Column 8 → 8 (Hidden Single)
  4. Row 1 / Column 3 → 8 (Hidden Single)
  5. Row 9 / Column 2 → 1 (Hidden Single)
  6. Row 8 / Column 6 → 1 (Hidden Single)
  7. Row 1 / Column 2 → 6 (Hidden Single)
  8. Row 7 / Column 2 → 7 (Hidden Single)
  9. Row 7 / Column 9 → 8 (Naked Single)
  10. Row 3 / Column 1 → 7 (Hidden Single)
  11. Row 4 / Column 7 → 8 (Hidden Single)
  12. Row 9 / Column 7 → 2 (Hidden Single)
  13. Row 8 / Column 7 → 9 (Hidden Single)
  14. Row 8 / Column 1 → 4 (Naked Single)
  15. Row 9 / Column 3 → 9 (Full House)
  16. Locked Candidates Type 1 (Pointing): 4 in b1 => r2c4<>4
  17. Locked Candidates Type 1 (Pointing): 5 in b3 => r1c46<>5
  18. Locked Candidates Type 1 (Pointing): 5 in b2 => r46c4<>5
  19. Locked Candidates Type 1 (Pointing): 6 in b8 => r9c89<>6
  20. Row 9 / Column 9 → 7 (Naked Single)
  21. Naked Pair: 3,9 in r1c16 => r1c45<>3, r1c45<>9
  22. Locked Candidates Type 2 (Claiming): 9 in c5 => r4c46,r6c46<>9
  23. Naked Pair: 3,4 in r9c58 => r9c46<>3, r9c4<>4
  24. Naked Pair: 6,8 in r69c4 => r4c4<>6
  25. Naked Pair: 3,9 in r17c6 => r4c6<>3
  26. Naked Triple: 5,6,8 in r6c469 => r6c238<>5, r6c38<>6
  27. Row 6 / Column 3 → 4 (Naked Single)
  28. Row 2 / Column 3 → 5 (Naked Single)
  29. Row 5 / Column 3 → 6 (Full House)
  30. Row 2 / Column 4 → 3 (Naked Single)
  31. Row 3 / Column 2 → 9 (Naked Single)
  32. Row 3 / Column 4 → 5 (Full House)
  33. Row 1 / Column 6 → 9 (Naked Single)
  34. Row 2 / Column 1 → 2 (Naked Single)
  35. Row 2 / Column 2 → 4 (Full House)
  36. Row 1 / Column 1 → 3 (Full House)
  37. Row 4 / Column 1 → 9 (Full House)
  38. Row 4 / Column 4 → 1 (Naked Single)
  39. Row 6 / Column 2 → 2 (Naked Single)
  40. Row 7 / Column 6 → 3 (Naked Single)
  41. Row 1 / Column 4 → 4 (Naked Single)
  42. Row 1 / Column 5 → 1 (Full House)
  43. Row 4 / Column 5 → 3 (Naked Single)
  44. Row 6 / Column 8 → 7 (Naked Single)
  45. Row 7 / Column 8 → 4 (Naked Single)
  46. Row 7 / Column 4 → 9 (Full House)
  47. Row 9 / Column 5 → 4 (Naked Single)
  48. Row 4 / Column 2 → 5 (Naked Single)
  49. Row 5 / Column 2 → 3 (Full House)
  50. Row 5 / Column 5 → 7 (Naked Single)
  51. Row 6 / Column 5 → 9 (Full House)
  52. Row 1 / Column 8 → 5 (Naked Single)
  53. Row 1 / Column 7 → 7 (Full House)
  54. Row 5 / Column 7 → 5 (Full House)
  55. Row 5 / Column 8 → 1 (Full House)
  56. Row 9 / Column 8 → 3 (Naked Single)
  57. Row 4 / Column 6 → 6 (Naked Single)
  58. Row 4 / Column 8 → 2 (Full House)
  59. Row 8 / Column 8 → 6 (Full House)
  60. Row 6 / Column 9 → 6 (Full House)
  61. Row 8 / Column 9 → 5 (Full House)
  62. Row 6 / Column 4 → 8 (Naked Single)
  63. Row 6 / Column 6 → 5 (Full House)
  64. Row 9 / Column 6 → 8 (Full House)
  65. Row 9 / Column 4 → 6 (Full House)
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