Soluzione per Sudoku diabolico #2434276518941

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

Questo puzzle di sudoku ha 71 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.

Prova a risolvere

Passaggi della soluzione:

  1. Riga 3 / Colonna 5 → 2 (Naked Single)
  2. Riga 7 / Colonna 5 → 1 (Naked Single)
  3. Riga 8 / Colonna 5 → 7 (Naked Single)
  4. Riga 2 / Colonna 5 → 8 (Full House)
  5. Riga 4 / Colonna 4 → 8 (Hidden Single)
  6. Riga 1 / Colonna 7 → 8 (Hidden Single)
  7. Riga 9 / Colonna 1 → 8 (Hidden Single)
  8. Riga 8 / Colonna 1 → 3 (Hidden Single)
  9. Locked Candidates Type 1 (Pointing): 2 in b3 => r79c8<>2
  10. Locked Candidates Type 1 (Pointing): 4 in b7 => r16c2<>4
  11. Locked Candidates Type 1 (Pointing): 3 in b8 => r6c4<>3
  12. Locked Candidates Type 2 (Claiming): 9 in c1 => r1c23,r2c3,r3c2<>9
  13. Naked Triple: 1,6,9 in r6c247 => r6c38<>9, r6c68<>1, r6c8<>6
  14. Hidden Pair: 4,7 in r5c9,r6c8 => r5c9<>5, r5c9<>6
  15. 2-String Kite: 9 in r6c7,r9c3 (connected by r4c3,r6c2) => r9c7<>9
  16. Locked Candidates Type 2 (Claiming): 9 in c7 => r4c8<>9
  17. XY-Wing: 1/5/9 in r2c14,r3c6 => r3c1<>9
  18. Riga 3 / Colonna 1 → 6 (Naked Single)
  19. XY-Chain: 9 9- r2c1 -1- r5c1 -4- r5c9 -7- r6c8 -4- r7c8 -9 => r2c8<>9
  20. AIC: 9 9- r7c8 -4- r6c8 =4= r6c3 =3= r4c3 =9= r9c3 -9 => r7c2,r9c89<>9
  21. Locked Pair: 2,4 in r78c2 => r19c2,r9c3<>2
  22. Continuous Nice Loop: 1/5/6/9 9= r1c1 =4= r1c3 =2= r1c8 =6= r4c8 -6- r4c2 =6= r6c2 -6- r6c4 -1- r2c4 =1= r2c1 =9= r1c1 =4 => r1c1,r5c4<>1, r1c38<>5, r46c7<>6, r1c8<>9
  23. Skyscraper: 1 in r5c1,r6c4 (connected by r2c14) => r5c6,r6c2<>1
  24. X-Wing: 1 c26 r14 => r4c78<>1
  25. Riga 9 / Colonna 8 → 1 (Hidden Single)
  26. Sue de Coq: r4c23 - {13569} (r4c78 - {569}, r5c1,r6c3 - {134}) => r5c3<>4
  27. Riga 5 / Colonna 3 → 5 (Naked Single)
  28. XY-Chain: 9 9- r1c1 -4- r1c3 -2- r2c3 -7- r3c2 -5- r3c6 -9 => r1c6<>9
  29. Riga 3 / Colonna 6 → 9 (Hidden Single)
  30. Riga 7 / Colonna 8 → 9 (Hidden Single)
  31. Riga 6 / Colonna 8 → 4 (Hidden Single)
  32. Riga 5 / Colonna 9 → 7 (Naked Single)
  33. Riga 6 / Colonna 3 → 3 (Naked Single)
  34. Riga 5 / Colonna 6 → 2 (Naked Single)
  35. Riga 4 / Colonna 3 → 9 (Naked Single)
  36. Riga 6 / Colonna 6 → 7 (Naked Single)
  37. Riga 5 / Colonna 4 → 6 (Naked Single)
  38. Riga 8 / Colonna 6 → 5 (Naked Single)
  39. Riga 4 / Colonna 7 → 5 (Naked Single)
  40. Riga 6 / Colonna 2 → 6 (Naked Single)
  41. Riga 9 / Colonna 3 → 7 (Naked Single)
  42. Riga 5 / Colonna 7 → 1 (Naked Single)
  43. Riga 5 / Colonna 1 → 4 (Full House)
  44. Riga 4 / Colonna 2 → 1 (Full House)
  45. Riga 6 / Colonna 4 → 1 (Naked Single)
  46. Riga 6 / Colonna 7 → 9 (Full House)
  47. Riga 4 / Colonna 8 → 6 (Full House)
  48. Riga 4 / Colonna 6 → 3 (Full House)
  49. Riga 1 / Colonna 6 → 1 (Full House)
  50. Riga 2 / Colonna 4 → 5 (Full House)
  51. Riga 9 / Colonna 7 → 2 (Naked Single)
  52. Riga 8 / Colonna 7 → 6 (Full House)
  53. Riga 2 / Colonna 3 → 2 (Naked Single)
  54. Riga 1 / Colonna 3 → 4 (Full House)
  55. Riga 9 / Colonna 2 → 9 (Naked Single)
  56. Riga 1 / Colonna 1 → 9 (Naked Single)
  57. Riga 2 / Colonna 1 → 1 (Full House)
  58. Riga 1 / Colonna 2 → 5 (Naked Single)
  59. Riga 3 / Colonna 2 → 7 (Full House)
  60. Riga 3 / Colonna 8 → 5 (Full House)
  61. Riga 1 / Colonna 8 → 2 (Naked Single)
  62. Riga 2 / Colonna 8 → 7 (Full House)
  63. Riga 2 / Colonna 9 → 9 (Full House)
  64. Riga 1 / Colonna 9 → 6 (Full House)
  65. Riga 9 / Colonna 4 → 3 (Naked Single)
  66. Riga 7 / Colonna 4 → 2 (Full House)
  67. Riga 9 / Colonna 9 → 5 (Full House)
  68. Riga 8 / Colonna 9 → 4 (Naked Single)
  69. Riga 7 / Colonna 9 → 3 (Full House)
  70. Riga 7 / Colonna 2 → 4 (Full House)
  71. Riga 8 / Colonna 2 → 2 (Full House)
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