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

Questo puzzle di sudoku ha 57 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Pair, Skyscraper, Uniqueness Test 1.

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 3 → 8 (Naked Single)
  2. Riga 3 / Colonna 6 → 1 (Naked Single)
  3. Riga 3 / Colonna 9 → 4 (Full House)
  4. Riga 6 / Colonna 3 → 5 (Naked Single)
  5. Riga 9 / Colonna 3 → 2 (Full House)
  6. Riga 2 / Colonna 6 → 8 (Naked Single)
  7. Riga 5 / Colonna 1 → 7 (Hidden Single)
  8. Riga 9 / Colonna 2 → 3 (Hidden Single)
  9. Riga 7 / Colonna 7 → 4 (Hidden Single)
  10. Riga 4 / Colonna 7 → 8 (Naked Single)
  11. Riga 1 / Colonna 7 → 1 (Full House)
  12. Riga 1 / Colonna 6 → 9 (Hidden Single)
  13. Riga 6 / Colonna 2 → 8 (Hidden Single)
  14. Riga 2 / Colonna 2 → 1 (Hidden Single)
  15. Riga 1 / Colonna 5 → 5 (Hidden Single)
  16. Riga 8 / Colonna 6 → 5 (Hidden Single)
  17. Riga 4 / Colonna 4 → 5 (Hidden Single)
  18. Riga 9 / Colonna 1 → 5 (Hidden Single)
  19. Riga 8 / Colonna 5 → 6 (Hidden Single)
  20. Riga 4 / Colonna 5 → 9 (Hidden Single)
  21. Riga 9 / Colonna 4 → 9 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 4 in b2 => r2c1<>4
  23. Locked Candidates Type 1 (Pointing): 2 in b4 => r1c2<>2
  24. Locked Candidates Type 2 (Claiming): 8 in r9 => r8c89<>8
  25. Naked Pair: 2,6 in r24c9 => r15c9<>2, r15c9<>6
  26. Riga 1 / Colonna 9 → 8 (Naked Single)
  27. Riga 9 / Colonna 8 → 8 (Hidden Single)
  28. Skyscraper: 1 in r6c8,r9c9 (connected by r69c5) => r5c9,r8c8<>1
  29. Riga 5 / Colonna 9 → 3 (Naked Single)
  30. Riga 8 / Colonna 8 → 3 (Naked Single)
  31. Riga 5 / Colonna 6 → 6 (Naked Single)
  32. Riga 6 / Colonna 6 → 3 (Full House)
  33. Skyscraper: 6 in r2c9,r6c8 (connected by r26c1) => r1c8,r4c9<>6
  34. Riga 1 / Colonna 8 → 2 (Naked Single)
  35. Riga 2 / Colonna 9 → 6 (Full House)
  36. Riga 4 / Colonna 9 → 2 (Naked Single)
  37. Riga 2 / Colonna 1 → 2 (Naked Single)
  38. Riga 5 / Colonna 2 → 2 (Hidden Single)
  39. Uniqueness Test 1: 1/8 in r7c14,r8c14 => r8c4<>1, r8c4<>8
  40. Riga 8 / Colonna 4 → 7 (Naked Single)
  41. Riga 2 / Colonna 4 → 4 (Naked Single)
  42. Riga 2 / Colonna 5 → 7 (Full House)
  43. Riga 8 / Colonna 9 → 1 (Naked Single)
  44. Riga 8 / Colonna 1 → 8 (Full House)
  45. Riga 9 / Colonna 9 → 7 (Full House)
  46. Riga 9 / Colonna 5 → 1 (Full House)
  47. Riga 7 / Colonna 1 → 1 (Full House)
  48. Riga 6 / Colonna 5 → 4 (Full House)
  49. Riga 5 / Colonna 4 → 1 (Full House)
  50. Riga 7 / Colonna 4 → 8 (Full House)
  51. Riga 5 / Colonna 8 → 4 (Full House)
  52. Riga 6 / Colonna 1 → 6 (Naked Single)
  53. Riga 1 / Colonna 1 → 4 (Full House)
  54. Riga 4 / Colonna 2 → 4 (Full House)
  55. Riga 4 / Colonna 8 → 6 (Full House)
  56. Riga 6 / Colonna 8 → 1 (Full House)
  57. Riga 1 / Colonna 2 → 6 (Full House)
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