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

Questo puzzle di sudoku ha 70 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), Skyscraper, Naked Pair, undefined, Uniqueness Test 4, Hidden Rectangle, Locked Candidates Type 2 (Claiming), Uniqueness Test 6.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 3 → 9 (Naked Single)
  2. Riga 3 / Colonna 4 → 9 (Hidden Single)
  3. Riga 5 / Colonna 2 → 1 (Hidden Single)
  4. Riga 5 / Colonna 1 → 3 (Naked Single)
  5. Riga 8 / Colonna 9 → 1 (Hidden Single)
  6. Riga 7 / Colonna 3 → 6 (Hidden Single)
  7. Riga 8 / Colonna 1 → 9 (Hidden Single)
  8. Riga 3 / Colonna 5 → 6 (Hidden Single)
  9. Riga 4 / Colonna 2 → 7 (Hidden Single)
  10. Riga 4 / Colonna 5 → 3 (Naked Single)
  11. Riga 9 / Colonna 5 → 5 (Naked Single)
  12. Riga 9 / Colonna 2 → 2 (Naked Single)
  13. Riga 7 / Colonna 1 → 5 (Naked Single)
  14. Riga 6 / Colonna 1 → 2 (Naked Single)
  15. Riga 6 / Colonna 3 → 5 (Full House)
  16. Riga 7 / Colonna 2 → 8 (Naked Single)
  17. Riga 8 / Colonna 2 → 4 (Full House)
  18. Riga 2 / Colonna 2 → 5 (Full House)
  19. Riga 3 / Colonna 1 → 1 (Hidden Single)
  20. Riga 1 / Colonna 1 → 4 (Full House)
  21. Riga 4 / Colonna 4 → 2 (Hidden Single)
  22. Riga 2 / Colonna 4 → 4 (Hidden Single)
  23. Riga 1 / Colonna 6 → 5 (Hidden Single)
  24. Riga 5 / Colonna 6 → 6 (Hidden Single)
  25. Locked Candidates Type 1 (Pointing): 2 in b9 => r3c8<>2
  26. Skyscraper: 8 in r2c6,r5c5 (connected by r25c9) => r1c5,r6c6<>8
  27. Riga 1 / Colonna 5 → 1 (Naked Single)
  28. Riga 6 / Colonna 6 → 1 (Naked Single)
  29. Riga 7 / Colonna 4 → 1 (Hidden Single)
  30. Locked Candidates Type 1 (Pointing): 7 in b8 => r8c78<>7
  31. Naked Pair: 5,6 in r48c7 => r3c7<>5, r9c7<>6
  32. 2-String Kite: 3 in r2c9,r9c4 (connected by r1c4,r2c6) => r9c9<>3
  33. Uniqueness Test 4: 2/8 in r1c39,r3c39 => r13c9<>8
  34. Hidden Rectangle: 3/9 in r6c79,r9c79 => r6c9<>3
  35. Locked Candidates Type 2 (Claiming): 3 in c9 => r1c7<>3
  36. Hidden Rectangle: 3/7 in r6c78,r7c78 => r6c8<>7
  37. XY-Chain: 7 7- r5c8 -4- r3c8 -5- r8c8 -2- r8c6 -8- r2c6 -3- r2c9 -8- r5c9 -7 => r5c5,r6c79<>7
  38. Uniqueness Test 6: 7/8 in r6c45,r8c45 => r6c5,r8c4<>7
  39. Riga 6 / Colonna 4 → 7 (Hidden Single)
  40. Riga 8 / Colonna 5 → 7 (Hidden Single)
  41. XY-Chain: 4 4- r5c8 -7- r5c9 -8- r2c9 -3- r2c6 -8- r1c4 -3- r9c4 -6- r9c9 -9- r6c9 -8- r6c5 -4 => r5c5,r6c78<>4
  42. Riga 5 / Colonna 5 → 8 (Naked Single)
  43. Riga 6 / Colonna 5 → 4 (Full House)
  44. Riga 6 / Colonna 8 → 3 (Naked Single)
  45. Riga 5 / Colonna 9 → 7 (Naked Single)
  46. Riga 5 / Colonna 8 → 4 (Full House)
  47. Riga 3 / Colonna 8 → 5 (Naked Single)
  48. Riga 3 / Colonna 9 → 2 (Naked Single)
  49. Riga 8 / Colonna 8 → 2 (Naked Single)
  50. Riga 7 / Colonna 8 → 7 (Full House)
  51. Riga 1 / Colonna 9 → 3 (Naked Single)
  52. Riga 3 / Colonna 3 → 8 (Naked Single)
  53. Riga 1 / Colonna 3 → 2 (Full House)
  54. Riga 3 / Colonna 7 → 4 (Full House)
  55. Riga 8 / Colonna 6 → 8 (Naked Single)
  56. Riga 7 / Colonna 7 → 3 (Naked Single)
  57. Riga 7 / Colonna 6 → 2 (Full House)
  58. Riga 2 / Colonna 6 → 3 (Full House)
  59. Riga 1 / Colonna 4 → 8 (Full House)
  60. Riga 2 / Colonna 9 → 8 (Full House)
  61. Riga 1 / Colonna 7 → 7 (Full House)
  62. Riga 8 / Colonna 4 → 6 (Naked Single)
  63. Riga 8 / Colonna 7 → 5 (Full House)
  64. Riga 9 / Colonna 4 → 3 (Full House)
  65. Riga 9 / Colonna 7 → 9 (Naked Single)
  66. Riga 9 / Colonna 9 → 6 (Full House)
  67. Riga 6 / Colonna 9 → 9 (Naked Single)
  68. Riga 6 / Colonna 7 → 8 (Full House)
  69. Riga 4 / Colonna 7 → 6 (Full House)
  70. Riga 4 / Colonna 9 → 5 (Full House)
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