Solution for Medium Sudoku #43578926314103

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

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 4 / Column 5 → 3 (Hidden Single)
  2. Row 6 / Column 7 → 9 (Hidden Single)
  3. Row 5 / Column 8 → 2 (Hidden Single)
  4. Row 7 / Column 4 → 2 (Hidden Single)
  5. Row 1 / Column 5 → 2 (Hidden Single)
  6. Row 4 / Column 3 → 6 (Hidden Single)
  7. Row 6 / Column 5 → 6 (Hidden Single)
  8. Row 4 / Column 7 → 4 (Hidden Single)
  9. Row 5 / Column 9 → 1 (Hidden Single)
  10. Row 3 / Column 3 → 2 (Hidden Single)
  11. Row 8 / Column 4 → 1 (Hidden Single)
  12. Row 2 / Column 8 → 1 (Hidden Single)
  13. Row 7 / Column 7 → 1 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 3 in b3 => r3c1246<>3
  15. Locked Candidates Type 1 (Pointing): 3 in b1 => r1c46<>3
  16. Locked Candidates Type 1 (Pointing): 4 in b5 => r5c1<>4
  17. Locked Candidates Type 1 (Pointing): 5 in b5 => r5c2<>5
  18. Locked Candidates Type 1 (Pointing): 4 in b7 => r7c6<>4
  19. Naked Triple: 5,7,8 in r12c3,r3c2 => r1c12,r3c1<>7, r1c2<>5, r3c1<>8
  20. Row 3 / Column 1 → 9 (Naked Single)
  21. Row 9 / Column 8 → 9 (Hidden Single)
  22. Row 2 / Column 9 → 9 (Hidden Single)
  23. Locked Candidates Type 1 (Pointing): 5 in b3 => r3c246<>5
  24. Row 6 / Column 2 → 5 (Hidden Single)
  25. Row 6 / Column 3 → 4 (Naked Single)
  26. Row 6 / Column 1 → 1 (Full House)
  27. Row 1 / Column 1 → 3 (Naked Single)
  28. Row 1 / Column 2 → 1 (Naked Single)
  29. Row 7 / Column 1 → 4 (Hidden Single)
  30. Locked Candidates Type 1 (Pointing): 7 in b3 => r3c26<>7
  31. Row 3 / Column 2 → 8 (Naked Single)
  32. Row 5 / Column 2 → 7 (Naked Single)
  33. Row 5 / Column 1 → 8 (Full House)
  34. Row 8 / Column 1 → 7 (Full House)
  35. Row 7 / Column 3 → 8 (Naked Single)
  36. Row 4 / Column 8 → 8 (Hidden Single)
  37. Row 4 / Column 9 → 5 (Full House)
  38. Row 3 / Column 9 → 7 (Naked Single)
  39. Row 7 / Column 9 → 6 (Naked Single)
  40. Row 9 / Column 9 → 8 (Full House)
  41. Row 7 / Column 2 → 3 (Naked Single)
  42. Row 8 / Column 2 → 6 (Full House)
  43. Row 7 / Column 8 → 5 (Naked Single)
  44. Row 3 / Column 8 → 3 (Full House)
  45. Row 7 / Column 6 → 7 (Full House)
  46. Row 3 / Column 7 → 5 (Full House)
  47. Row 8 / Column 7 → 3 (Naked Single)
  48. Row 9 / Column 7 → 7 (Full House)
  49. Row 9 / Column 5 → 4 (Naked Single)
  50. Row 5 / Column 5 → 5 (Naked Single)
  51. Row 8 / Column 5 → 8 (Naked Single)
  52. Row 2 / Column 5 → 7 (Full House)
  53. Row 8 / Column 6 → 5 (Full House)
  54. Row 2 / Column 3 → 5 (Naked Single)
  55. Row 1 / Column 3 → 7 (Full House)
  56. Row 1 / Column 6 → 9 (Naked Single)
  57. Row 1 / Column 4 → 5 (Full House)
  58. Row 2 / Column 4 → 3 (Naked Single)
  59. Row 2 / Column 6 → 8 (Full House)
  60. Row 5 / Column 6 → 4 (Naked Single)
  61. Row 5 / Column 4 → 9 (Full House)
  62. Row 9 / Column 4 → 6 (Naked Single)
  63. Row 3 / Column 4 → 4 (Full House)
  64. Row 3 / Column 6 → 6 (Full House)
  65. Row 9 / Column 6 → 3 (Full House)
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