Solution for Medium Sudoku #22752639418102

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

This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Locked Candidates Type 2 (Claiming), Naked Single, Full House techniques.

Naked Single Explanation
Hidden Single Explanation
Locked Candidates Explanation
Locked Candidates Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 2 / Column 8 → 1 (Hidden Single)
  2. Row 7 / Column 8 → 7 (Hidden Single)
  3. Row 9 / Column 2 → 1 (Hidden Single)
  4. Row 2 / Column 7 → 4 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 3 in b8 => r7c123<>3
  6. Locked Candidates Type 1 (Pointing): 4 in b8 => r9c1<>4
  7. Locked Candidates Type 1 (Pointing): 8 in b9 => r9c1<>8
  8. Naked Triple: 3,5,7 in r13c4,r3c6 => r1c56<>3, r1c56<>5
  9. Locked Candidates Type 2 (Claiming): 3 in c5 => r45c4,r56c6<>3
  10. Naked Triple: 1,3,5 in r46c5,r6c6 => r5c46<>5
  11. Row 5 / Column 6 → 6 (Naked Single)
  12. Row 5 / Column 8 → 5 (Hidden Single)
  13. Row 5 / Column 2 → 4 (Hidden Single)
  14. Row 4 / Column 8 → 4 (Hidden Single)
  15. Row 8 / Column 1 → 4 (Hidden Single)
  16. Row 3 / Column 8 → 8 (Hidden Single)
  17. Naked Triple: 2,3,9 in r1c138 => r1c49<>3, r1c9<>9
  18. Locked Candidates Type 1 (Pointing): 3 in b2 => r3c279<>3
  19. Row 2 / Column 9 → 3 (Hidden Single)
  20. Row 2 / Column 1 → 6 (Naked Single)
  21. Row 2 / Column 2 → 7 (Full House)
  22. Row 4 / Column 3 → 6 (Hidden Single)
  23. Row 4 / Column 5 → 1 (Hidden Single)
  24. Row 1 / Column 5 → 4 (Naked Single)
  25. Row 6 / Column 6 → 5 (Naked Single)
  26. Row 1 / Column 6 → 1 (Naked Single)
  27. Row 9 / Column 5 → 5 (Naked Single)
  28. Row 6 / Column 5 → 3 (Full House)
  29. Row 3 / Column 6 → 3 (Naked Single)
  30. Row 9 / Column 1 → 9 (Naked Single)
  31. Row 9 / Column 4 → 6 (Naked Single)
  32. Row 6 / Column 2 → 9 (Naked Single)
  33. Row 7 / Column 6 → 2 (Naked Single)
  34. Row 9 / Column 6 → 4 (Full House)
  35. Row 7 / Column 4 → 3 (Full House)
  36. Row 1 / Column 1 → 3 (Naked Single)
  37. Row 9 / Column 9 → 8 (Naked Single)
  38. Row 9 / Column 7 → 2 (Full House)
  39. Row 3 / Column 2 → 2 (Naked Single)
  40. Row 1 / Column 3 → 9 (Full House)
  41. Row 7 / Column 2 → 6 (Naked Single)
  42. Row 8 / Column 2 → 3 (Full House)
  43. Row 7 / Column 3 → 8 (Naked Single)
  44. Row 7 / Column 1 → 5 (Full House)
  45. Row 4 / Column 1 → 8 (Full House)
  46. Row 8 / Column 3 → 2 (Full House)
  47. Row 6 / Column 9 → 7 (Naked Single)
  48. Row 8 / Column 8 → 9 (Naked Single)
  49. Row 1 / Column 8 → 2 (Full House)
  50. Row 8 / Column 9 → 6 (Full House)
  51. Row 5 / Column 3 → 3 (Naked Single)
  52. Row 6 / Column 3 → 1 (Full House)
  53. Row 6 / Column 7 → 8 (Full House)
  54. Row 4 / Column 4 → 9 (Naked Single)
  55. Row 4 / Column 7 → 3 (Full House)
  56. Row 5 / Column 7 → 9 (Full House)
  57. Row 5 / Column 4 → 8 (Full House)
  58. Row 3 / Column 7 → 7 (Full House)
  59. Row 1 / Column 9 → 5 (Naked Single)
  60. Row 1 / Column 4 → 7 (Full House)
  61. Row 3 / Column 4 → 5 (Full House)
  62. Row 3 / Column 9 → 9 (Full House)
Show More...