Soluzione per Sudoku diabolico #1252871643941

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

Questo puzzle di sudoku ha 73 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, undefined, AIC, Locked Pair, Continuous Nice Loop, Skyscraper, Sue de Coq.

Naked Single Spiegazione
Hidden Single Spiegazione
Hidden Pair Spiegazione
Locked Candidates Spiegazione
Locked Candidates Spiegazione
Full House Spiegazione
Prova a risolvere

Passaggi della soluzione:

  1. Riga 7 / Colonna 5 → 8 (Naked Single)
  2. Riga 2 / Colonna 5 → 7 (Naked Single)
  3. Riga 3 / Colonna 5 → 4 (Naked Single)
  4. Riga 8 / Colonna 5 → 3 (Full House)
  5. Riga 6 / Colonna 4 → 3 (Hidden Single)
  6. Riga 1 / Colonna 1 → 3 (Hidden Single)
  7. Riga 9 / Colonna 7 → 3 (Hidden Single)
  8. Riga 2 / Colonna 1 → 5 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 2 in b1 => r49c2<>2
  10. Locked Candidates Type 1 (Pointing): 5 in b2 => r4c4<>5
  11. Locked Candidates Type 1 (Pointing): 8 in b9 => r13c8<>8
  12. Locked Candidates Type 2 (Claiming): 9 in c1 => r79c2,r89c3<>9
  13. Naked Triple: 1,4,9 in r4c247 => r4c38<>9, r4c68<>4, r4c8<>1
  14. Hidden Pair: 2,7 in r4c8,r5c9 => r5c9<>1, r5c9<>6
  15. 2-String Kite: 9 in r1c3,r4c7 (connected by r4c2,r6c3) => r1c7<>9
  16. Locked Candidates Type 2 (Claiming): 9 in c7 => r6c8<>9
  17. XY-Wing: 4/6/9 in r7c6,r8c14 => r7c1<>9
  18. Riga 7 / Colonna 1 → 1 (Naked Single)
  19. XY-Chain: 9 9- r3c8 -2- r4c8 -7- r5c9 -2- r5c1 -4- r8c1 -9 => r8c8<>9
  20. AIC: 9 9- r1c3 =9= r6c3 =5= r4c3 =2= r4c8 -2- r3c8 -9 => r1c89,r3c2<>9
  21. Locked Pair: 2,8 in r23c2 => r1c23,r9c2<>8
  22. Continuous Nice Loop: 1/4/6/9 9= r9c1 =2= r9c3 =8= r9c8 =1= r6c8 -1- r6c2 =1= r4c2 -1- r4c4 -4- r8c4 =4= r8c1 =9= r9c1 =2 => r46c7<>1, r5c4,r9c1<>4, r9c38<>6, r9c8<>9
  23. Skyscraper: 4 in r4c4,r5c1 (connected by r8c14) => r4c2,r5c6<>4
  24. X-Wing: 4 c26 r69 => r6c78<>4
  25. Riga 1 / Colonna 8 → 4 (Hidden Single)
  26. Sue de Coq: r6c23 - {14569} (r6c78 - {169}, r4c3,r5c1 - {245}) => r5c3<>2
  27. Riga 5 / Colonna 3 → 6 (Naked Single)
  28. XY-Chain: 8 8- r1c7 -6- r6c7 -9- r4c7 -4- r4c4 -1- r5c4 -8 => r1c4<>8
  29. Riga 1 / Colonna 7 → 8 (Hidden Single)
  30. Finned X-Wing: 6 r18 c49 fr8c8 => r9c9<>6
  31. Hidden Pair: 4,6 in r9c26 => r9c6<>9
  32. Riga 7 / Colonna 6 → 9 (Hidden Single)
  33. Riga 3 / Colonna 8 → 9 (Hidden Single)
  34. Riga 4 / Colonna 8 → 2 (Hidden Single)
  35. Riga 4 / Colonna 3 → 5 (Naked Single)
  36. Riga 5 / Colonna 9 → 7 (Naked Single)
  37. Riga 4 / Colonna 6 → 7 (Naked Single)
  38. Riga 6 / Colonna 3 → 9 (Naked Single)
  39. Riga 5 / Colonna 6 → 8 (Naked Single)
  40. Riga 1 / Colonna 3 → 7 (Naked Single)
  41. Riga 4 / Colonna 2 → 1 (Naked Single)
  42. Riga 6 / Colonna 7 → 6 (Naked Single)
  43. Riga 2 / Colonna 6 → 6 (Naked Single)
  44. Riga 5 / Colonna 4 → 1 (Naked Single)
  45. Riga 1 / Colonna 2 → 9 (Naked Single)
  46. Riga 8 / Colonna 3 → 8 (Naked Single)
  47. Riga 9 / Colonna 3 → 2 (Full House)
  48. Riga 4 / Colonna 4 → 4 (Naked Single)
  49. Riga 4 / Colonna 7 → 9 (Full House)
  50. Riga 6 / Colonna 6 → 5 (Full House)
  51. Riga 9 / Colonna 6 → 4 (Full House)
  52. Riga 8 / Colonna 4 → 6 (Full House)
  53. Riga 6 / Colonna 2 → 4 (Naked Single)
  54. Riga 6 / Colonna 8 → 1 (Full House)
  55. Riga 5 / Colonna 7 → 4 (Full House)
  56. Riga 2 / Colonna 7 → 1 (Full House)
  57. Riga 5 / Colonna 1 → 2 (Full House)
  58. Riga 1 / Colonna 4 → 5 (Naked Single)
  59. Riga 1 / Colonna 9 → 6 (Full House)
  60. Riga 3 / Colonna 4 → 8 (Full House)
  61. Riga 9 / Colonna 1 → 9 (Naked Single)
  62. Riga 8 / Colonna 1 → 4 (Full House)
  63. Riga 9 / Colonna 2 → 6 (Naked Single)
  64. Riga 7 / Colonna 2 → 7 (Full House)
  65. Riga 7 / Colonna 8 → 6 (Full House)
  66. Riga 8 / Colonna 8 → 7 (Naked Single)
  67. Riga 8 / Colonna 9 → 9 (Full House)
  68. Riga 9 / Colonna 8 → 8 (Full House)
  69. Riga 9 / Colonna 9 → 1 (Full House)
  70. Riga 2 / Colonna 9 → 2 (Naked Single)
  71. Riga 2 / Colonna 2 → 8 (Full House)
  72. Riga 3 / Colonna 2 → 2 (Full House)
  73. Riga 3 / Colonna 9 → 5 (Full House)
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