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

Questo puzzle di sudoku ha 74 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Hidden Pair, Naked Pair, Turbot Fish, Uniqueness Test 1, Empty Rectangle, Hidden Rectangle, undefined, Skyscraper.

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

Passaggi della soluzione:

  1. Riga 2 / Colonna 7 → 8 (Hidden Single)
  2. Riga 4 / Colonna 4 → 8 (Hidden Single)
  3. Riga 6 / Colonna 1 → 8 (Hidden Single)
  4. Riga 1 / Colonna 7 → 9 (Hidden Single)
  5. Riga 3 / Colonna 4 → 9 (Hidden Single)
  6. Riga 8 / Colonna 9 → 8 (Hidden Single)
  7. Riga 8 / Colonna 8 → 9 (Hidden Single)
  8. Riga 8 / Colonna 2 → 1 (Hidden Single)
  9. Riga 6 / Colonna 2 → 3 (Naked Single)
  10. Riga 4 / Colonna 2 → 5 (Naked Single)
  11. Riga 5 / Colonna 2 → 9 (Naked Single)
  12. Riga 5 / Colonna 1 → 4 (Naked Single)
  13. Riga 5 / Colonna 3 → 1 (Full House)
  14. Riga 6 / Colonna 4 → 1 (Hidden Single)
  15. Riga 7 / Colonna 1 → 9 (Hidden Single)
  16. Locked Candidates Type 1 (Pointing): 4 in b5 => r128c6<>4
  17. Locked Candidates Type 1 (Pointing): 2 in b7 => r13c1<>2
  18. Riga 1 / Colonna 1 → 5 (Naked Single)
  19. Hidden Pair: 1,5 in r9c89 => r9c8<>3, r9c89<>6, r9c9<>7
  20. Riga 4 / Colonna 8 → 3 (Hidden Single)
  21. Riga 5 / Colonna 6 → 3 (Hidden Single)
  22. Riga 5 / Colonna 5 → 5 (Hidden Single)
  23. Riga 2 / Colonna 6 → 5 (Hidden Single)
  24. Naked Pair: 4,6 in r26c8 => r3c8<>4, r3c8<>6
  25. Turbot Fish: 6 r2c8 =6= r6c8 -6- r6c6 =6= r5c4 => r2c4<>6
  26. Uniqueness Test 1: 1/5 in r3c89,r9c89 => r3c9<>1, r3c9<>5
  27. Riga 3 / Colonna 8 → 5 (Hidden Single)
  28. Riga 9 / Colonna 8 → 1 (Naked Single)
  29. Riga 9 / Colonna 9 → 5 (Naked Single)
  30. Riga 3 / Colonna 5 → 1 (Hidden Single)
  31. Riga 1 / Colonna 9 → 1 (Hidden Single)
  32. Riga 1 / Colonna 6 → 2 (Hidden Single)
  33. Riga 2 / Colonna 2 → 2 (Hidden Single)
  34. Locked Candidates Type 1 (Pointing): 6 in b2 => r79c5<>6
  35. Empty Rectangle: 6 in b9 (r37c2) => r3c7<>6
  36. Hidden Rectangle: 2/7 in r8c14,r9c14 => r9c4<>7
  37. XY-Wing: 6/7/2 in r8c16,r9c4 => r8c4,r9c1<>2
  38. Riga 8 / Colonna 1 → 2 (Hidden Single)
  39. Riga 9 / Colonna 4 → 2 (Hidden Single)
  40. Locked Candidates Type 1 (Pointing): 6 in b8 => r8c7<>6
  41. W-Wing: 4/7 in r4c9,r8c7 connected by 7 in r48c6 => r7c9<>4
  42. Locked Candidates Type 1 (Pointing): 4 in b9 => r3c7<>4
  43. Riga 3 / Colonna 7 → 2 (Naked Single)
  44. Riga 5 / Colonna 9 → 2 (Hidden Single)
  45. Naked Pair: 6,7 in r7c29 => r7c37<>6, r7c57<>7
  46. X-Wing: 6 c29 r37 => r3c3<>6
  47. Skyscraper: 7 in r7c9,r8c6 (connected by r4c69) => r8c7<>7
  48. Riga 8 / Colonna 7 → 4 (Naked Single)
  49. Riga 7 / Colonna 7 → 3 (Naked Single)
  50. Riga 7 / Colonna 3 → 8 (Naked Single)
  51. Riga 7 / Colonna 5 → 4 (Naked Single)
  52. Riga 1 / Colonna 5 → 6 (Naked Single)
  53. Riga 1 / Colonna 3 → 4 (Full House)
  54. Riga 2 / Colonna 5 → 7 (Naked Single)
  55. Riga 2 / Colonna 4 → 4 (Full House)
  56. Riga 9 / Colonna 5 → 8 (Full House)
  57. Riga 2 / Colonna 8 → 6 (Full House)
  58. Riga 3 / Colonna 9 → 4 (Full House)
  59. Riga 6 / Colonna 8 → 4 (Full House)
  60. Riga 6 / Colonna 6 → 6 (Full House)
  61. Riga 3 / Colonna 3 → 3 (Naked Single)
  62. Riga 9 / Colonna 3 → 6 (Full House)
  63. Riga 4 / Colonna 9 → 7 (Naked Single)
  64. Riga 4 / Colonna 6 → 4 (Full House)
  65. Riga 5 / Colonna 4 → 7 (Full House)
  66. Riga 8 / Colonna 6 → 7 (Full House)
  67. Riga 5 / Colonna 7 → 6 (Full House)
  68. Riga 9 / Colonna 7 → 7 (Full House)
  69. Riga 7 / Colonna 9 → 6 (Full House)
  70. Riga 7 / Colonna 2 → 7 (Full House)
  71. Riga 8 / Colonna 4 → 6 (Full House)
  72. Riga 9 / Colonna 1 → 3 (Full House)
  73. Riga 3 / Colonna 1 → 7 (Full House)
  74. Riga 3 / Colonna 2 → 6 (Full House)
Mostra di più...