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

Questo puzzle di sudoku ha 71 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Uniqueness Test 1, Empty Rectangle, Naked Triple, Full House.

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

Passaggi della soluzione:

  1. Riga 8 / Colonna 2 → 5 (Naked Single)
  2. Riga 4 / Colonna 3 → 8 (Hidden Single)
  3. Riga 9 / Colonna 3 → 3 (Hidden Single)
  4. Riga 8 / Colonna 8 → 3 (Hidden Single)
  5. Riga 1 / Colonna 8 → 4 (Naked Single)
  6. Riga 7 / Colonna 5 → 5 (Hidden Single)
  7. Riga 9 / Colonna 1 → 2 (Hidden Single)
  8. Riga 7 / Colonna 8 → 8 (Hidden Single)
  9. Riga 9 / Colonna 7 → 9 (Hidden Single)
  10. Riga 8 / Colonna 1 → 8 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 4 in b7 => r7c79<>4
  12. Riga 6 / Colonna 7 → 4 (Hidden Single)
  13. Riga 9 / Colonna 9 → 4 (Hidden Single)
  14. Riga 9 / Colonna 6 → 7 (Naked Single)
  15. Riga 6 / Colonna 4 → 3 (Hidden Single)
  16. Riga 6 / Colonna 1 → 5 (Hidden Single)
  17. Naked Pair: 1,6 in r2c8,r3c7 => r3c9<>1, r3c9<>6
  18. Riga 3 / Colonna 9 → 7 (Naked Single)
  19. Naked Pair: 1,6 in r37c7 => r5c7<>1, r5c7<>6
  20. X-Wing: 2 r15 c35 => r6c35<>2
  21. Uniqueness Test 1: 3/5 in r1c79,r5c79 => r5c9<>3, r5c9<>5
  22. Riga 5 / Colonna 7 → 3 (Hidden Single)
  23. Riga 1 / Colonna 7 → 5 (Naked Single)
  24. Riga 1 / Colonna 9 → 3 (Naked Single)
  25. Riga 5 / Colonna 4 → 5 (Hidden Single)
  26. Riga 4 / Colonna 9 → 5 (Hidden Single)
  27. Empty Rectangle: 6 in b6 (r2c18) => r5c1<>6
  28. Locked Candidates Type 1 (Pointing): 6 in b4 => r3c3<>6
  29. Naked Triple: 4,8,9 in r3c345 => r3c1<>4, r3c1<>9
  30. XY-Wing: 7/9/4 in r17c1,r3c3 => r2c1,r7c3<>4
  31. Riga 7 / Colonna 3 → 7 (Naked Single)
  32. Riga 7 / Colonna 1 → 4 (Full House)
  33. Riga 3 / Colonna 3 → 4 (Hidden Single)
  34. Riga 4 / Colonna 5 → 4 (Hidden Single)
  35. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c5<>9
  36. Locked Candidates Type 1 (Pointing): 7 in b4 => r2c2<>7
  37. W-Wing: 6/9 in r4c6,r6c3 connected by 9 in r46c8 => r6c6<>6
  38. Riga 4 / Colonna 6 → 6 (Hidden Single)
  39. W-Wing: 9/2 in r1c3,r6c6 connected by 2 in r2c26 => r6c3<>9
  40. Riga 6 / Colonna 3 → 6 (Naked Single)
  41. Riga 5 / Colonna 9 → 6 (Hidden Single)
  42. Riga 7 / Colonna 9 → 1 (Full House)
  43. Riga 7 / Colonna 7 → 6 (Full House)
  44. Riga 3 / Colonna 7 → 1 (Full House)
  45. Riga 2 / Colonna 8 → 6 (Full House)
  46. Riga 3 / Colonna 1 → 6 (Naked Single)
  47. Locked Candidates Type 1 (Pointing): 9 in b4 => r5c5<>9
  48. W-Wing: 1/7 in r2c1,r4c2 connected by 7 in r24c4 => r2c2,r5c1<>1
  49. Riga 2 / Colonna 2 → 2 (Naked Single)
  50. Riga 5 / Colonna 1 → 9 (Naked Single)
  51. Riga 1 / Colonna 3 → 9 (Naked Single)
  52. Riga 5 / Colonna 3 → 2 (Full House)
  53. Riga 5 / Colonna 5 → 1 (Full House)
  54. Riga 2 / Colonna 6 → 4 (Naked Single)
  55. Riga 1 / Colonna 1 → 7 (Naked Single)
  56. Riga 1 / Colonna 5 → 2 (Full House)
  57. Riga 2 / Colonna 1 → 1 (Full House)
  58. Riga 2 / Colonna 4 → 7 (Full House)
  59. Riga 9 / Colonna 5 → 8 (Naked Single)
  60. Riga 9 / Colonna 4 → 1 (Full House)
  61. Riga 8 / Colonna 6 → 9 (Naked Single)
  62. Riga 6 / Colonna 6 → 2 (Full House)
  63. Riga 8 / Colonna 4 → 4 (Full House)
  64. Riga 4 / Colonna 4 → 9 (Naked Single)
  65. Riga 3 / Colonna 4 → 8 (Full House)
  66. Riga 3 / Colonna 5 → 9 (Full House)
  67. Riga 6 / Colonna 5 → 7 (Full House)
  68. Riga 4 / Colonna 8 → 1 (Naked Single)
  69. Riga 4 / Colonna 2 → 7 (Full House)
  70. Riga 6 / Colonna 2 → 1 (Full House)
  71. Riga 6 / Colonna 8 → 9 (Full House)
Mostra di più...