4
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8

Ce Sudoku Puzzle a 87 étapes et il est résolu en utilisant les techniques Naked Single, Hidden Single, Locked Triple, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Naked Triple, AIC, Full House, Skyscraper, Discontinuous Nice Loop, Locked Candidates Type 2 (Claiming), Sue de Coq.

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

Étapes de la solution :

  1. Ligne 9 / Colonne 6 → 7 (Naked Single)
  2. Ligne 8 / Colonne 6 → 8 (Naked Single)
  3. Ligne 2 / Colonne 6 → 4 (Hidden Single)
  4. Ligne 6 / Colonne 6 → 3 (Hidden Single)
  5. Locked Triple: 3,4,9 in r789c1 => r1c1,r78c3<>9, r4c1,r78c3<>3, r46c1,r7c3<>4
  6. Locked Candidates Type 1 (Pointing): 5 in b4 => r4c9<>5
  7. Locked Candidates Type 1 (Pointing): 7 in b7 => r456c3<>7
  8. Naked Pair: 4,9 in r9c17 => r9c4<>9
  9. 2-String Kite: 2 in r1c1,r5c4 (connected by r5c3,r6c1) => r1c4<>2
  10. X-Chain: 2 r5c4 =2= r5c3 -2- r6c1 =2= r1c1 -2- r1c6 =2= r7c6 => r7c4<>2
  11. Naked Triple: 1,6,9 in r79c4,r8c5 => r7c5<>6, r7c5<>9
  12. Ligne 1 / Colonne 5 → 6 (Hidden Single)
  13. XY-Chain: 7 7- r4c5 -1- r8c5 -9- r7c4 -6- r9c4 -1- r9c2 -6- r6c2 -7 => r4c2,r6c5<>7
  14. Ligne 6 / Colonne 2 → 7 (Hidden Single)
  15. AIC: 7 7- r5c8 -8- r5c4 =8= r4c4 =1= r9c4 -1- r9c2 =1= r8c3 =7= r8c9 -7 => r45c9,r7c8<>7
  16. Naked Pair: 4,9 in r7c8,r9c7 => r7c7<>4, r7c7,r8c9<>9
  17. XY-Chain: 7 7- r1c4 -9- r7c4 -6- r7c3 -7- r7c7 -3- r8c9 -7 => r1c9<>7
  18. AIC: 7 7- r1c4 =7= r1c7 =1= r1c3 -1- r8c3 -7- r8c9 =7= r3c9 -7 => r1c7,r3c45<>7
  19. Ligne 1 / Colonne 4 → 7 (Hidden Single)
  20. Ligne 4 / Colonne 5 → 7 (Hidden Single)
  21. XY-Wing: 1/2/8 in r4c4,r6c15 => r4c13<>8
  22. Ligne 4 / Colonne 1 → 5 (Naked Single)
  23. Naked Triple: 3,4,6 in r4c239 => r4c8<>4, r4c8<>6
  24. XY-Chain: 5 5- r3c2 -3- r4c2 -6- r9c2 -1- r9c4 -6- r7c4 -9- r8c5 -1- r6c5 -2- r7c5 -5 => r3c5<>5
  25. Ligne 7 / Colonne 5 → 5 (Hidden Single)
  26. Ligne 7 / Colonne 6 → 2 (Naked Single)
  27. Ligne 1 / Colonne 6 → 5 (Full House)
  28. Skyscraper: 2 in r1c1,r3c5 (connected by r6c15) => r3c3<>2
  29. XY-Chain: 5 5- r3c2 -3- r4c2 -6- r9c2 -1- r8c3 -7- r8c9 -3- r5c9 -5 => r3c9<>5
  30. XY-Chain: 3 3- r4c2 -6- r9c2 -1- r8c3 -7- r8c9 -3 => r4c9<>3
  31. Locked Candidates Type 1 (Pointing): 3 in b6 => r5c3<>3
  32. Naked Pair: 2,8 in r5c3,r6c1 => r6c3<>2, r6c3<>8
  33. Naked Pair: 2,8 in r5c34 => r5c78<>8
  34. Ligne 5 / Colonne 8 → 7 (Naked Single)
  35. Discontinuous Nice Loop: 9 r1c7 -9- r9c7 =9= r9c1 -9- r8c1 =9= r8c5 =1= r8c3 -1- r1c3 =1= r1c7 => r1c7<>9
  36. Discontinuous Nice Loop: 9 r2c8 -9- r1c9 -2- r1c1 =2= r6c1 -2- r6c5 -1- r8c5 -9- r8c1 -3- r8c9 =3= r5c9 =5= r2c9 =6= r2c8 => r2c8<>9
  37. Discontinuous Nice Loop: 9 r2c9 -9- r1c9 -2- r1c1 =2= r6c1 -2- r6c5 -1- r8c5 -9- r8c1 -3- r8c9 =3= r5c9 =5= r2c9 => r2c9<>9
  38. Discontinuous Nice Loop: 2 r3c9 -2- r3c5 -9- r8c5 -1- r8c3 -7- r8c9 =7= r3c9 => r3c9<>2
  39. Locked Candidates Type 2 (Claiming): 2 in r3 => r2c4<>2
  40. XY-Chain: 3 3- r2c4 -9- r7c4 -6- r9c4 -1- r9c2 -6- r4c2 -3 => r2c2<>3
  41. Sue de Coq: r2c789 - {12569} (r2c2 - {15}, r1c9 - {29}) => r3c789<>9, r2c3<>1
  42. XY-Chain: 1 1- r1c7 -8- r3c8 -4- r7c8 -9- r7c4 -6- r9c4 -1- r9c2 -6- r4c2 -3- r3c2 -5- r2c2 -1 => r1c3,r2c78<>1
  43. Ligne 2 / Colonne 8 → 6 (Naked Single)
  44. Ligne 1 / Colonne 7 → 1 (Hidden Single)
  45. Ligne 8 / Colonne 3 → 1 (Hidden Single)
  46. Ligne 8 / Colonne 5 → 9 (Naked Single)
  47. Ligne 9 / Colonne 2 → 6 (Naked Single)
  48. Ligne 3 / Colonne 5 → 2 (Naked Single)
  49. Ligne 6 / Colonne 5 → 1 (Full House)
  50. Ligne 7 / Colonne 4 → 6 (Naked Single)
  51. Ligne 9 / Colonne 4 → 1 (Full House)
  52. Ligne 8 / Colonne 1 → 3 (Naked Single)
  53. Ligne 8 / Colonne 9 → 7 (Full House)
  54. Ligne 4 / Colonne 2 → 3 (Naked Single)
  55. Ligne 7 / Colonne 3 → 7 (Naked Single)
  56. Ligne 4 / Colonne 4 → 8 (Naked Single)
  57. Ligne 5 / Colonne 4 → 2 (Full House)
  58. Ligne 3 / Colonne 9 → 4 (Naked Single)
  59. Ligne 7 / Colonne 7 → 3 (Naked Single)
  60. Ligne 3 / Colonne 2 → 5 (Naked Single)
  61. Ligne 2 / Colonne 2 → 1 (Full House)
  62. Ligne 4 / Colonne 8 → 1 (Naked Single)
  63. Ligne 5 / Colonne 3 → 8 (Naked Single)
  64. Ligne 3 / Colonne 8 → 8 (Naked Single)
  65. Ligne 4 / Colonne 9 → 6 (Naked Single)
  66. Ligne 4 / Colonne 3 → 4 (Full House)
  67. Ligne 5 / Colonne 7 → 5 (Naked Single)
  68. Ligne 5 / Colonne 9 → 3 (Full House)
  69. Ligne 6 / Colonne 1 → 2 (Naked Single)
  70. Ligne 6 / Colonne 3 → 6 (Full House)
  71. Ligne 3 / Colonne 7 → 7 (Naked Single)
  72. Ligne 6 / Colonne 9 → 9 (Naked Single)
  73. Ligne 2 / Colonne 7 → 9 (Naked Single)
  74. Ligne 1 / Colonne 1 → 8 (Naked Single)
  75. Ligne 1 / Colonne 9 → 2 (Naked Single)
  76. Ligne 1 / Colonne 3 → 9 (Full House)
  77. Ligne 2 / Colonne 9 → 5 (Full House)
  78. Ligne 6 / Colonne 8 → 4 (Naked Single)
  79. Ligne 6 / Colonne 7 → 8 (Full House)
  80. Ligne 9 / Colonne 7 → 4 (Full House)
  81. Ligne 7 / Colonne 8 → 9 (Full House)
  82. Ligne 9 / Colonne 1 → 9 (Full House)
  83. Ligne 7 / Colonne 1 → 4 (Full House)
  84. Ligne 2 / Colonne 4 → 3 (Naked Single)
  85. Ligne 2 / Colonne 3 → 2 (Full House)
  86. Ligne 3 / Colonne 3 → 3 (Full House)
  87. Ligne 3 / Colonne 4 → 9 (Full House)
Montre plus...