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

Questo puzzle di sudoku ha 55 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Skyscraper, Empty Rectangle, Hidden Rectangle, Discontinuous Nice Loop, Naked Single, undefined, Full House, Naked Pair, Uniqueness Test 4.

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

Passaggi della soluzione:

  1. Riga 6 / Colonna 7 → 8 (Hidden Single)
  2. Locked Candidates Type 1 (Pointing): 9 in b3 => r1c123456<>9
  3. Locked Candidates Type 1 (Pointing): 9 in b1 => r45678c1<>9
  4. Skyscraper: 9 in r5c6,r6c3 (connected by r8c36) => r5c2,r6c45<>9
  5. Empty Rectangle: 9 in b9 (r58c6) => r5c7<>9
  6. Empty Rectangle: 9 in b6 (r68c3) => r8c8<>9
  7. Hidden Rectangle: 1/2 in r1c46,r8c46 => r8c4<>1
  8. Discontinuous Nice Loop: 4/9 r7c2 =6= r7c1 =1= r8c1 =5= r8c3 -5- r1c3 -6- r1c2 =6= r7c2 => r7c2<>4, r7c2<>9
  9. Riga 7 / Colonna 2 → 6 (Naked Single)
  10. XY-Chain: 9 9- r6c3 -6- r1c3 -5- r1c2 -7- r3c1 -9- r2c1 -8- r2c4 -9- r9c4 -4- r9c2 -9 => r4c2,r8c3<>9
  11. Riga 8 / Colonna 3 → 5 (Naked Single)
  12. Riga 1 / Colonna 3 → 6 (Naked Single)
  13. Riga 6 / Colonna 3 → 9 (Full House)
  14. Riga 9 / Colonna 2 → 9 (Hidden Single)
  15. Riga 9 / Colonna 4 → 4 (Full House)
  16. Riga 6 / Colonna 1 → 6 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 9 in b6 => r1c8<>9
  18. Locked Candidates Type 1 (Pointing): 4 in b7 => r45c1<>4
  19. Naked Pair: 3,4 in r5c7,r6c9 => r45c8<>3, r45c8<>4
  20. Riga 4 / Colonna 2 → 4 (Hidden Single)
  21. W-Wing: 4/3 in r1c8,r6c9 connected by 3 in r8c89 => r1c9<>4
  22. Uniqueness Test 4: 5/7 in r1c12,r5c12 => r15c1<>7
  23. XY-Chain: 4 4- r5c7 -3- r5c1 -5- r1c1 -8- r2c1 -9- r3c1 -7- r3c5 -9- r7c5 -1- r6c5 -4 => r5c5,r6c9<>4
  24. Riga 6 / Colonna 9 → 3 (Naked Single)
  25. Riga 1 / Colonna 9 → 9 (Naked Single)
  26. Riga 8 / Colonna 9 → 4 (Full House)
  27. Riga 5 / Colonna 7 → 4 (Naked Single)
  28. Riga 6 / Colonna 4 → 1 (Naked Single)
  29. Riga 6 / Colonna 5 → 4 (Full House)
  30. Riga 7 / Colonna 7 → 9 (Naked Single)
  31. Riga 8 / Colonna 8 → 3 (Full House)
  32. Riga 1 / Colonna 7 → 3 (Full House)
  33. Riga 1 / Colonna 8 → 4 (Full House)
  34. Riga 8 / Colonna 1 → 1 (Naked Single)
  35. Riga 7 / Colonna 1 → 4 (Full House)
  36. Riga 7 / Colonna 5 → 1 (Full House)
  37. Riga 5 / Colonna 1 → 3 (Hidden Single)
  38. Riga 4 / Colonna 1 → 7 (Naked Single)
  39. Riga 5 / Colonna 2 → 5 (Full House)
  40. Riga 1 / Colonna 2 → 7 (Full House)
  41. Riga 3 / Colonna 1 → 9 (Naked Single)
  42. Riga 3 / Colonna 5 → 7 (Full House)
  43. Riga 4 / Colonna 8 → 9 (Naked Single)
  44. Riga 4 / Colonna 4 → 3 (Full House)
  45. Riga 5 / Colonna 8 → 7 (Full House)
  46. Riga 1 / Colonna 5 → 2 (Naked Single)
  47. Riga 5 / Colonna 5 → 9 (Full House)
  48. Riga 5 / Colonna 6 → 2 (Full House)
  49. Riga 2 / Colonna 1 → 8 (Naked Single)
  50. Riga 1 / Colonna 1 → 5 (Full House)
  51. Riga 2 / Colonna 4 → 9 (Full House)
  52. Riga 1 / Colonna 4 → 8 (Naked Single)
  53. Riga 1 / Colonna 6 → 1 (Full House)
  54. Riga 8 / Colonna 6 → 9 (Full House)
  55. Riga 8 / Colonna 4 → 2 (Full House)
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