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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Naked Pair, undefined, Continuous Nice Loop, Locked Candidates Type 2 (Claiming), Naked Triple, Locked Candidates Type 1 (Pointing), Skyscraper.

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 6 → 8 (Naked Single)
  2. Riga 2 / Colonna 4 → 7 (Naked Single)
  3. Riga 1 / Colonna 4 → 3 (Naked Single)
  4. Riga 2 / Colonna 2 → 9 (Naked Single)
  5. Riga 2 / Colonna 8 → 6 (Full House)
  6. Riga 4 / Colonna 4 → 5 (Naked Single)
  7. Riga 8 / Colonna 4 → 8 (Naked Single)
  8. Riga 6 / Colonna 4 → 6 (Full House)
  9. Riga 3 / Colonna 1 → 6 (Hidden Single)
  10. Riga 7 / Colonna 5 → 6 (Hidden Single)
  11. Riga 9 / Colonna 8 → 3 (Hidden Single)
  12. Riga 3 / Colonna 7 → 3 (Hidden Single)
  13. Riga 5 / Colonna 7 → 6 (Hidden Single)
  14. Naked Pair: 5,9 in r9c59 => r9c13<>5, r9c137<>9
  15. Riga 9 / Colonna 7 → 1 (Naked Single)
  16. Naked Pair: 4,8 in r39c3 => r1c3<>4, r15c3<>8
  17. Riga 1 / Colonna 3 → 1 (Naked Single)
  18. 2-String Kite: 7 in r3c2,r7c7 (connected by r1c7,r3c9) => r7c2<>7
  19. Continuous Nice Loop: 4/7/8/9 8= r3c2 =7= r3c9 -7- r5c9 =7= r5c5 =8= r5c1 -8- r6c2 =8= r3c2 =7 => r3c2<>4, r17c9<>7, r6c1<>8, r5c5<>9
  20. Locked Candidates Type 2 (Claiming): 4 in c2 => r46c1<>4
  21. Naked Triple: 2,5,9 in r6c178 => r6c56<>2, r6c56<>9
  22. Locked Candidates Type 1 (Pointing): 2 in b5 => r4c8<>2
  23. W-Wing: 4/8 in r3c3,r6c5 connected by 8 in r36c2 => r3c5<>4
  24. W-Wing: 9/5 in r6c1,r8c3 connected by 5 in r68c8 => r5c3,r78c1<>9
  25. XY-Wing: 3/5/9 in r5c36,r6c1 => r5c1<>9
  26. Skyscraper: 9 in r5c6,r9c5 (connected by r59c9) => r4c5,r78c6<>9
  27. Riga 9 / Colonna 5 → 9 (Hidden Single)
  28. Riga 9 / Colonna 9 → 5 (Naked Single)
  29. Riga 3 / Colonna 5 → 5 (Hidden Single)
  30. Riga 6 / Colonna 8 → 5 (Hidden Single)
  31. Riga 6 / Colonna 1 → 9 (Naked Single)
  32. Riga 4 / Colonna 1 → 1 (Naked Single)
  33. Riga 6 / Colonna 7 → 2 (Naked Single)
  34. Riga 4 / Colonna 2 → 4 (Naked Single)
  35. W-Wing: 9/7 in r1c7,r4c8 connected by 7 in r35c9 => r1c8<>9
  36. XY-Chain: 8 8- r3c2 -7- r8c2 -1- r7c2 -3- r6c2 -8- r6c5 -4- r1c5 -2- r3c6 -4- r3c3 -8 => r1c1,r3c9<>8
  37. Riga 1 / Colonna 9 → 8 (Hidden Single)
  38. Riga 1 / Colonna 7 → 9 (Hidden Single)
  39. Riga 7 / Colonna 7 → 7 (Full House)
  40. XY-Wing: 2/5/9 in r7c19,r8c3 => r7c3,r8c8<>9
  41. Riga 8 / Colonna 8 → 2 (Naked Single)
  42. Riga 7 / Colonna 9 → 9 (Full House)
  43. Riga 1 / Colonna 8 → 7 (Naked Single)
  44. Riga 3 / Colonna 9 → 2 (Full House)
  45. Riga 5 / Colonna 9 → 7 (Full House)
  46. Riga 4 / Colonna 8 → 9 (Full House)
  47. Riga 1 / Colonna 1 → 4 (Naked Single)
  48. Riga 1 / Colonna 5 → 2 (Full House)
  49. Riga 3 / Colonna 6 → 4 (Full House)
  50. Riga 5 / Colonna 5 → 8 (Naked Single)
  51. Riga 4 / Colonna 6 → 2 (Naked Single)
  52. Riga 4 / Colonna 5 → 7 (Full House)
  53. Riga 6 / Colonna 5 → 4 (Full House)
  54. Riga 3 / Colonna 3 → 8 (Naked Single)
  55. Riga 3 / Colonna 2 → 7 (Full House)
  56. Riga 9 / Colonna 1 → 8 (Naked Single)
  57. Riga 9 / Colonna 3 → 4 (Full House)
  58. Riga 6 / Colonna 6 → 3 (Naked Single)
  59. Riga 5 / Colonna 6 → 9 (Full House)
  60. Riga 6 / Colonna 2 → 8 (Full House)
  61. Riga 5 / Colonna 1 → 5 (Naked Single)
  62. Riga 5 / Colonna 3 → 3 (Full House)
  63. Riga 8 / Colonna 2 → 1 (Naked Single)
  64. Riga 7 / Colonna 2 → 3 (Full House)
  65. Riga 7 / Colonna 1 → 2 (Naked Single)
  66. Riga 8 / Colonna 1 → 7 (Full House)
  67. Riga 7 / Colonna 3 → 5 (Naked Single)
  68. Riga 7 / Colonna 6 → 1 (Full House)
  69. Riga 8 / Colonna 6 → 5 (Full House)
  70. Riga 8 / Colonna 3 → 9 (Full House)
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