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

This Sudoku Puzzle has steps and it is solved using techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 1 / Column 8 → 7 (Hidden Single)
  2. Row 8 / Column 6 → 7 (Hidden Single)
  3. Row 6 / Column 9 → 6 (Hidden Single)
  4. Row 5 / Column 3 → 6 (Hidden Single)
  5. Row 4 / Column 9 → 3 (Hidden Single)
  6. Locked Pair: 1,8 in r4c2,r4c3 => r4c1<>1,r4c1<>8,r6c1<>1,r6c1<>8,r6c3<>1,r6c3<>8,r4c1<>1,r4c1<>8,r4c4<>1,r4c7<>8,r4c8<>1,r4c8<>8
  7. Row 4 / Column 1 → 7 (Naked Single)
  8. Row 6 / Column 4 → 7 (Hidden Single)
  9. Locked Pair: 3,5 in r6c1,r6c3 => r6c5<>3,r6c6<>3
  10. Locked Pair: 1,4 in r8c9,r9c9 => r8c8<>1,r8c8<>4,r9c7<>4,r9c8<>1,r9c8<>4
  11. Locked Pair: 2,5 in r9c7,r9c8 => r7c7<>2,r7c7<>5,r8c8<>2,r9c1<>5,r9c3<>2,r9c3<>5,r9c6<>2
  12. Row 8 / Column 3 → 2 (Hidden Single)
  13. Row 8 / Column 9 → 4 (Hidden Single)
  14. Row 9 / Column 9 → 1 (Full House)
  15. Row 9 / Column 6 → 6 (Naked Single)
  16. Row 9 / Column 1 → 3 (Naked Single)
  17. Row 6 / Column 1 → 5 (Naked Single)
  18. Row 6 / Column 3 → 3 (Naked Single)
  19. Row 9 / Column 3 → 4 (Naked Single)
  20. Locked Pair: 1,2 in r7c5,r7c6 => r7c1<>1,r7c2<>1,r7c3<>1
  21. Locked Candidates Type 1 (Pointing): 9 in b1 => r3c4<>9,r3c6<>9
  22. Locked Candidates Type 1 (Pointing): 4 in b5 => r6c7<>4,r6c8<>4
  23. Naked Pair: 1,8 in r4c2,r8c2 => r2c2<>1,r2c2<>8,r7c2<>8
  24. Locked Candidates Type 1 (Pointing): 1 in b1 => r1c4<>1,r1c5<>1,r1c6<>1
  25. Locked Candidates Type 1 (Pointing): 8 in b1 => r1c5<>8,r1c6<>8
  26. Locked Pair: 3,4 in r1c5,r1c6 => r2c5<>3,r2c6<>3,r3c6<>3,r3c6<>4,r1c7<>3,r1c7<>4
  27. Row 1 / Column 7 → 5 (Naked Single)
  28. Row 1 / Column 4 → 6 (Naked Single)
  29. Row 2 / Column 7 → 3 (Naked Single)
  30. Row 2 / Column 8 → 6 (Naked Single)
  31. Row 3 / Column 8 → 4 (Full House)
  32. Row 2 / Column 2 → 5 (Naked Single)
  33. Row 3 / Column 3 → 9 (Naked Single)
  34. Row 3 / Column 1 → 6 (Naked Single)
  35. Row 3 / Column 2 → 3 (Naked Single)
  36. Row 3 / Column 6 → 2 (Naked Single)
  37. Row 3 / Column 4 → 5 (Full House)
  38. Row 7 / Column 2 → 6 (Naked Single)
  39. Row 7 / Column 6 → 1 (Naked Single)
  40. Row 7 / Column 5 → 2 (Full House)
  41. Row 9 / Column 7 → 2 (Naked Single)
  42. Row 9 / Column 8 → 5 (Full House)
  43. Row 6 / Column 7 → 8 (Naked Single)
  44. Row 6 / Column 6 → 4 (Naked Single)
  45. Row 1 / Column 6 → 3 (Naked Single)
  46. Row 1 / Column 5 → 4 (Naked Single)
  47. Row 6 / Column 5 → 1 (Naked Single)
  48. Row 6 / Column 8 → 2 (Full House)
  49. Row 2 / Column 5 → 8 (Naked Single)
  50. Row 5 / Column 5 → 3 (Full House)
  51. Row 2 / Column 6 → 9 (Naked Single)
  52. Row 2 / Column 4 → 1 (Full House)
  53. Row 5 / Column 6 → 8 (Full House)
  54. Row 4 / Column 8 → 9 (Naked Single)
  55. Row 4 / Column 4 → 2 (Naked Single)
  56. Row 5 / Column 4 → 9 (Full House)
  57. Row 5 / Column 8 → 1 (Full House)
  58. Row 8 / Column 8 → 8 (Full House)
  59. Row 4 / Column 7 → 4 (Full House)
  60. Row 7 / Column 7 → 9 (Full House)
  61. Row 7 / Column 1 → 8 (Naked Single)
  62. Row 7 / Column 3 → 5 (Full House)
  63. Row 1 / Column 1 → 1 (Naked Single)
  64. Row 1 / Column 3 → 8 (Full House)
  65. Row 8 / Column 1 → 9 (Full House)
  66. Row 8 / Column 2 → 1 (Full House)
  67. Row 4 / Column 2 → 8 (Full House)
  68. Row 4 / Column 3 → 1 (Full House)
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