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Ce Sudoku Puzzle a 78 étapes et il est résolu en utilisant les techniques Hidden Single, Locked Pair, Locked Candidates Type 1 (Pointing), Naked Single, Hidden Rectangle, AIC, Discontinuous Nice Loop, undefined, Full House, Hidden Triple, Uniqueness Test 3.

Naked Single Explication
Hidden Single Explication
Locked Candidates Explication
Full House Explication
Essayez de résoudre

Étapes de la solution :

  1. Ligne 4 / Colonne 8 → 6 (Hidden Single)
  2. Ligne 6 / Colonne 9 → 8 (Hidden Single)
  3. Ligne 3 / Colonne 4 → 6 (Hidden Single)
  4. Ligne 5 / Colonne 8 → 3 (Hidden Single)
  5. Locked Pair: 4,7 in r13c1 => r1c23,r468c1<>7, r1c23,r78c1<>4
  6. Locked Candidates Type 1 (Pointing): 1 in b1 => r1c457<>1
  7. Locked Candidates Type 1 (Pointing): 1 in b3 => r5c9<>1
  8. Ligne 5 / Colonne 9 → 7 (Naked Single)
  9. Locked Candidates Type 1 (Pointing): 5 in b5 => r13c6<>5
  10. Locked Candidates Type 1 (Pointing): 7 in b5 => r12c4<>7
  11. Locked Candidates Type 1 (Pointing): 2 in b6 => r1c7<>2
  12. Locked Candidates Type 1 (Pointing): 4 in b8 => r12c4<>4
  13. Hidden Rectangle: 5/7 in r1c58,r3c58 => r1c5<>7
  14. AIC: 5 5- r4c1 -2- r8c1 =2= r8c5 -2- r5c5 -1- r3c5 =1= r3c9 =5= r7c9 -5- r9c8 =5= r9c3 -5 => r46c3,r7c1<>5
  15. Hidden Rectangle: 2/5 in r4c16,r6c16 => r6c6<>2
  16. Discontinuous Nice Loop: 4/7/9 r9c3 =5= r9c8 =8= r8c8 -8- r8c5 -2- r5c5 -1- r3c5 =1= r3c9 =5= r7c9 -5- r7c3 =5= r9c3 => r9c3<>4, r9c3<>7, r9c3<>9
  17. Ligne 9 / Colonne 3 → 5 (Naked Single)
  18. Ligne 7 / Colonne 9 → 5 (Hidden Single)
  19. Ligne 8 / Colonne 9 → 6 (Hidden Single)
  20. Locked Candidates Type 1 (Pointing): 9 in b7 => r8c78<>9
  21. Locked Candidates Type 1 (Pointing): 4 in b9 => r1c7<>4
  22. Discontinuous Nice Loop: 2 r1c5 -2- r8c5 -8- r8c8 -7- r3c8 -5- r3c5 =5= r1c5 => r1c5<>2
  23. Discontinuous Nice Loop: 9 r1c4 -9- r1c7 -7- r3c8 -5- r3c5 =5= r1c5 =8= r1c4 => r1c4<>9
  24. Discontinuous Nice Loop: 1 r2c5 -1- r5c5 -2- r8c5 -8- r8c8 -7- r2c8 =7= r2c5 => r2c5<>1
  25. XY-Wing: 2/8/7 in r28c5,r8c8 => r2c8<>7
  26. Ligne 2 / Colonne 5 → 7 (Hidden Single)
  27. AIC: 1/9 1- r2c4 =1= r3c5 -1- r5c5 -2- r8c5 =2= r8c1 =9= r8c3 -9- r5c3 =9= r5c4 -9 => r5c4<>1, r2c4<>9
  28. Locked Candidates Type 1 (Pointing): 9 in b2 => r6c6<>9
  29. W-Wing: 1/2 in r2c4,r5c5 connected by 2 in r7c4,r8c5 => r3c5,r46c4<>1
  30. Ligne 3 / Colonne 9 → 1 (Hidden Single)
  31. Ligne 2 / Colonne 9 → 4 (Full House)
  32. Ligne 5 / Colonne 5 → 1 (Hidden Single)
  33. Ligne 2 / Colonne 4 → 1 (Hidden Single)
  34. Ligne 8 / Colonne 5 → 2 (Hidden Single)
  35. Hidden Triple: 1,3,7 in r46c3,r6c2 => r6c2<>2, r6c3<>9
  36. XYZ-Wing: 2/4/6 in r57c2,r7c3 => r9c2<>4
  37. Ligne 9 / Colonne 2 → 7 (Naked Single)
  38. Ligne 6 / Colonne 2 → 1 (Naked Single)
  39. Ligne 1 / Colonne 2 → 6 (Naked Single)
  40. Ligne 6 / Colonne 7 → 2 (Naked Single)
  41. Ligne 4 / Colonne 7 → 1 (Full House)
  42. Ligne 1 / Colonne 3 → 1 (Naked Single)
  43. Ligne 7 / Colonne 3 → 6 (Hidden Single)
  44. Uniqueness Test 3: 3/7 in r4c34,r6c34 => r79c4<>8
  45. Ligne 7 / Colonne 4 → 4 (Naked Single)
  46. Ligne 7 / Colonne 2 → 2 (Naked Single)
  47. Ligne 5 / Colonne 2 → 4 (Full House)
  48. Ligne 7 / Colonne 1 → 8 (Full House)
  49. Ligne 9 / Colonne 4 → 3 (Naked Single)
  50. Ligne 9 / Colonne 5 → 8 (Full House)
  51. Ligne 5 / Colonne 3 → 9 (Naked Single)
  52. Ligne 5 / Colonne 4 → 2 (Full House)
  53. Ligne 8 / Colonne 1 → 9 (Naked Single)
  54. Ligne 8 / Colonne 3 → 4 (Full House)
  55. Ligne 1 / Colonne 5 → 5 (Naked Single)
  56. Ligne 3 / Colonne 5 → 3 (Full House)
  57. Ligne 9 / Colonne 8 → 9 (Naked Single)
  58. Ligne 9 / Colonne 7 → 4 (Full House)
  59. Ligne 6 / Colonne 1 → 5 (Naked Single)
  60. Ligne 1 / Colonne 4 → 8 (Naked Single)
  61. Ligne 4 / Colonne 4 → 7 (Naked Single)
  62. Ligne 6 / Colonne 4 → 9 (Full House)
  63. Ligne 8 / Colonne 7 → 7 (Naked Single)
  64. Ligne 1 / Colonne 7 → 9 (Full House)
  65. Ligne 8 / Colonne 8 → 8 (Full House)
  66. Ligne 3 / Colonne 6 → 4 (Naked Single)
  67. Ligne 2 / Colonne 8 → 2 (Naked Single)
  68. Ligne 2 / Colonne 6 → 9 (Full House)
  69. Ligne 1 / Colonne 6 → 2 (Full House)
  70. Ligne 4 / Colonne 1 → 2 (Naked Single)
  71. Ligne 6 / Colonne 6 → 3 (Naked Single)
  72. Ligne 4 / Colonne 6 → 5 (Full House)
  73. Ligne 4 / Colonne 3 → 3 (Full House)
  74. Ligne 6 / Colonne 3 → 7 (Full House)
  75. Ligne 3 / Colonne 1 → 7 (Naked Single)
  76. Ligne 1 / Colonne 1 → 4 (Full House)
  77. Ligne 1 / Colonne 8 → 7 (Full House)
  78. Ligne 3 / Colonne 8 → 5 (Full House)
Montre plus...