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

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

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 9 → 2 (Hidden Single)
  2. Riga 3 / Colonna 4 → 7 (Hidden Single)
  3. Riga 8 / Colonna 8 → 2 (Hidden Single)
  4. Riga 3 / Colonna 1 → 2 (Hidden Single)
  5. Riga 1 / Colonna 6 → 2 (Hidden Single)
  6. Riga 7 / Colonna 4 → 2 (Hidden Single)
  7. Riga 3 / Colonna 8 → 1 (Hidden Single)
  8. Riga 7 / Colonna 9 → 1 (Hidden Single)
  9. Locked Triple: 1,4,5 in r5c123 => r4c2,r5c5<>1, r46c2,r5c57,r6c3<>4, r5c57,r6c3<>5
  10. Riga 4 / Colonna 2 → 9 (Naked Single)
  11. Riga 4 / Colonna 5 → 1 (Hidden Single)
  12. Riga 1 / Colonna 7 → 5 (Hidden Single)
  13. Riga 6 / Colonna 9 → 5 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 4 in b5 => r8c4<>4
  15. Locked Candidates Type 1 (Pointing): 4 in b6 => r129c8<>4
  16. Locked Candidates Type 1 (Pointing): 4 in b3 => r9c9<>4
  17. Locked Candidates Type 1 (Pointing): 7 in b9 => r9c3<>7
  18. Locked Candidates Type 2 (Claiming): 4 in r8 => r7c123,r9c13<>4
  19. Hidden Pair: 3,7 in r7c23 => r7c23<>6, r7c3<>8, r7c3<>9
  20. Empty Rectangle: 8 in b9 (r5c57) => r9c5<>8
  21. Hidden Rectangle: 1/4 in r5c12,r8c12 => r8c1<>4
  22. Discontinuous Nice Loop: 3 r1c8 -3- r4c8 -4- r4c4 -5- r8c4 -8- r8c3 =8= r9c3 -8- r9c9 -7- r9c8 =7= r1c8 => r1c8<>3
  23. X-Wing: 3 c68 r24 => r2c25<>3
  24. Riga 7 / Colonna 2 → 3 (Hidden Single)
  25. Riga 7 / Colonna 3 → 7 (Naked Single)
  26. Riga 6 / Colonna 3 → 6 (Naked Single)
  27. Riga 6 / Colonna 2 → 7 (Naked Single)
  28. Empty Rectangle: 6 in b9 (r3c57) => r9c5<>6
  29. Discontinuous Nice Loop: 9 r2c6 -9- r6c6 -8- r5c5 -3- r4c6 =3= r2c6 => r2c6<>9
  30. Discontinuous Nice Loop: 8 r2c8 -8- r3c9 -9- r3c3 -3- r3c7 =3= r2c8 => r2c8<>8
  31. AIC: 8 8- r5c5 -3- r5c7 =3= r3c7 -3- r2c8 -6- r2c2 -4- r8c2 =4= r8c3 =8= r9c3 -8- r9c8 =8= r6c8 -8 => r5c7,r6c46<>8
  32. Riga 5 / Colonna 7 → 3 (Naked Single)
  33. Riga 6 / Colonna 6 → 9 (Naked Single)
  34. Riga 4 / Colonna 8 → 4 (Naked Single)
  35. Riga 6 / Colonna 8 → 8 (Full House)
  36. Riga 6 / Colonna 4 → 4 (Full House)
  37. Riga 5 / Colonna 5 → 8 (Naked Single)
  38. Riga 4 / Colonna 4 → 5 (Naked Single)
  39. Riga 4 / Colonna 6 → 3 (Full House)
  40. Riga 8 / Colonna 4 → 8 (Naked Single)
  41. Riga 2 / Colonna 4 → 9 (Full House)
  42. Riga 7 / Colonna 6 → 6 (Naked Single)
  43. Riga 7 / Colonna 1 → 9 (Naked Single)
  44. Riga 8 / Colonna 6 → 5 (Naked Single)
  45. Riga 2 / Colonna 6 → 8 (Full House)
  46. Riga 7 / Colonna 5 → 4 (Naked Single)
  47. Riga 7 / Colonna 7 → 8 (Full House)
  48. Riga 9 / Colonna 5 → 9 (Full House)
  49. Riga 8 / Colonna 3 → 4 (Naked Single)
  50. Riga 2 / Colonna 9 → 4 (Naked Single)
  51. Riga 3 / Colonna 7 → 6 (Naked Single)
  52. Riga 9 / Colonna 7 → 4 (Full House)
  53. Riga 9 / Colonna 9 → 7 (Naked Single)
  54. Riga 9 / Colonna 8 → 6 (Full House)
  55. Riga 5 / Colonna 3 → 5 (Naked Single)
  56. Riga 2 / Colonna 2 → 6 (Naked Single)
  57. Riga 1 / Colonna 8 → 7 (Naked Single)
  58. Riga 2 / Colonna 8 → 3 (Full House)
  59. Riga 2 / Colonna 5 → 5 (Full House)
  60. Riga 3 / Colonna 5 → 3 (Naked Single)
  61. Riga 1 / Colonna 5 → 6 (Full House)
  62. Riga 1 / Colonna 9 → 9 (Naked Single)
  63. Riga 3 / Colonna 9 → 8 (Full House)
  64. Riga 3 / Colonna 3 → 9 (Full House)
  65. Riga 9 / Colonna 1 → 5 (Naked Single)
  66. Riga 9 / Colonna 3 → 8 (Full House)
  67. Riga 1 / Colonna 3 → 3 (Full House)
  68. Riga 1 / Colonna 1 → 4 (Full House)
  69. Riga 8 / Colonna 2 → 1 (Naked Single)
  70. Riga 5 / Colonna 2 → 4 (Full House)
  71. Riga 5 / Colonna 1 → 1 (Full House)
  72. Riga 8 / Colonna 1 → 6 (Full House)
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