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

Questo puzzle di sudoku ha 72 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Naked Single, Remote Pair, Empty Rectangle, Locked Candidates Type 2 (Claiming), Swordfish, Skyscraper, Full House.

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

Passaggi della soluzione:

  1. Riga 3 / Colonna 9 → 6 (Hidden Single)
  2. Riga 4 / Colonna 5 → 4 (Hidden Single)
  3. Riga 6 / Colonna 8 → 4 (Hidden Single)
  4. Riga 7 / Colonna 4 → 6 (Hidden Single)
  5. Riga 2 / Colonna 5 → 8 (Hidden Single)
  6. Riga 1 / Colonna 4 → 4 (Hidden Single)
  7. Riga 1 / Colonna 7 → 3 (Hidden Single)
  8. Riga 2 / Colonna 3 → 4 (Hidden Single)
  9. Riga 5 / Colonna 5 → 6 (Hidden Single)
  10. Riga 5 / Colonna 4 → 2 (Hidden Single)
  11. Riga 7 / Colonna 6 → 2 (Hidden Single)
  12. Riga 9 / Colonna 2 → 4 (Hidden Single)
  13. Riga 9 / Colonna 6 → 9 (Hidden Single)
  14. Riga 9 / Colonna 3 → 3 (Hidden Single)
  15. Riga 9 / Colonna 5 → 5 (Hidden Single)
  16. Riga 9 / Colonna 7 → 6 (Hidden Single)
  17. Riga 8 / Colonna 3 → 6 (Hidden Single)
  18. Riga 9 / Colonna 8 → 8 (Hidden Single)
  19. Riga 8 / Colonna 1 → 5 (Hidden Single)
  20. Riga 4 / Colonna 3 → 5 (Hidden Single)
  21. Riga 5 / Colonna 9 → 5 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 2 in b1 => r3c8<>2
  23. Riga 2 / Colonna 8 → 2 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 1 in b5 => r6c79<>1
  25. Naked Triple: 1,7,9 in r1c23,r2c1 => r3c12<>1, r3c123<>7
  26. Riga 3 / Colonna 3 → 2 (Naked Single)
  27. Riga 4 / Colonna 2 → 2 (Hidden Single)
  28. Naked Triple: 1,7,9 in r178c2 => r5c2<>7, r5c2<>9
  29. Locked Candidates Type 1 (Pointing): 9 in b4 => r6c79<>9
  30. Remote Pair: 7/1 r6c5 -1- r8c5 -7- r9c4 -1- r9c9 => r6c9<>7
  31. Empty Rectangle: 1 in b3 (r27c1) => r7c8<>1
  32. Locked Candidates Type 2 (Claiming): 1 in r7 => r8c2<>1
  33. Locked Candidates Type 2 (Claiming): 1 in c8 => r2c79<>1
  34. Riga 2 / Colonna 1 → 1 (Hidden Single)
  35. Riga 7 / Colonna 2 → 1 (Hidden Single)
  36. Locked Candidates Type 1 (Pointing): 7 in b1 => r1c68<>7
  37. Locked Candidates Type 1 (Pointing): 9 in b1 => r1c8<>9
  38. Locked Candidates Type 1 (Pointing): 7 in b2 => r3c8<>7
  39. Swordfish: 7 c235 r168 => r6c167,r8c79<>7
  40. Skyscraper: 7 in r4c1,r5c8 (connected by r7c18) => r4c79<>7
  41. Riga 4 / Colonna 7 → 1 (Naked Single)
  42. Riga 4 / Colonna 9 → 3 (Naked Single)
  43. Riga 4 / Colonna 1 → 7 (Full House)
  44. Riga 6 / Colonna 9 → 2 (Naked Single)
  45. Riga 6 / Colonna 3 → 9 (Naked Single)
  46. Riga 1 / Colonna 3 → 7 (Full House)
  47. Riga 7 / Colonna 1 → 9 (Naked Single)
  48. Riga 7 / Colonna 8 → 7 (Full House)
  49. Riga 8 / Colonna 2 → 7 (Full House)
  50. Riga 6 / Colonna 7 → 8 (Naked Single)
  51. Riga 1 / Colonna 2 → 9 (Naked Single)
  52. Riga 5 / Colonna 8 → 9 (Naked Single)
  53. Riga 5 / Colonna 7 → 7 (Full House)
  54. Riga 9 / Colonna 9 → 1 (Naked Single)
  55. Riga 9 / Colonna 4 → 7 (Full House)
  56. Riga 8 / Colonna 5 → 1 (Full House)
  57. Riga 3 / Colonna 4 → 1 (Full House)
  58. Riga 6 / Colonna 5 → 7 (Full House)
  59. Riga 6 / Colonna 1 → 3 (Naked Single)
  60. Riga 3 / Colonna 1 → 8 (Full House)
  61. Riga 5 / Colonna 2 → 8 (Full House)
  62. Riga 5 / Colonna 6 → 3 (Full House)
  63. Riga 6 / Colonna 6 → 1 (Full House)
  64. Riga 3 / Colonna 2 → 3 (Full House)
  65. Riga 2 / Colonna 7 → 9 (Naked Single)
  66. Riga 2 / Colonna 9 → 7 (Full House)
  67. Riga 8 / Colonna 9 → 9 (Full House)
  68. Riga 8 / Colonna 7 → 2 (Full House)
  69. Riga 1 / Colonna 6 → 5 (Naked Single)
  70. Riga 1 / Colonna 8 → 1 (Full House)
  71. Riga 3 / Colonna 8 → 5 (Full House)
  72. Riga 3 / Colonna 6 → 7 (Full House)
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