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

Questo puzzle di sudoku ha 53 passaggi e viene risolto utilizzando tecniche di Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Hidden Single, undefined, Full House.

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

Passaggi della soluzione:

  1. Locked Pair: 1,7 in r2c12 => r2c49,r3c123<>1, r2c479,r3c123<>7
  2. Riga 2 / Colonna 7 → 8 (Naked Single)
  3. Locked Candidates Type 1 (Pointing): 6 in b1 => r3c56<>6
  4. Riga 1 / Colonna 5 → 6 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 9 in b1 => r3c79<>9
  6. X-Wing: 2 r15 c67 => r3c67,r4c6<>2
  7. Riga 3 / Colonna 7 → 7 (Naked Single)
  8. W-Wing: 8/7 in r5c2,r9c6 connected by 7 in r8c24 => r5c6<>8
  9. XY-Wing: 2/7/8 in r19c6,r3c5 => r3c6,r9c5<>8
  10. Riga 9 / Colonna 5 → 9 (Naked Single)
  11. Riga 8 / Colonna 4 → 7 (Naked Single)
  12. Riga 9 / Colonna 6 → 8 (Full House)
  13. Riga 9 / Colonna 9 → 6 (Naked Single)
  14. Riga 8 / Colonna 7 → 9 (Full House)
  15. Riga 8 / Colonna 2 → 6 (Full House)
  16. Riga 1 / Colonna 4 → 1 (Naked Single)
  17. Riga 1 / Colonna 7 → 2 (Naked Single)
  18. Riga 5 / Colonna 7 → 6 (Full House)
  19. Riga 3 / Colonna 2 → 9 (Naked Single)
  20. Riga 1 / Colonna 9 → 9 (Naked Single)
  21. Riga 1 / Colonna 6 → 7 (Full House)
  22. Riga 3 / Colonna 3 → 4 (Naked Single)
  23. Riga 3 / Colonna 1 → 6 (Naked Single)
  24. Riga 5 / Colonna 3 → 7 (Naked Single)
  25. Riga 5 / Colonna 2 → 8 (Naked Single)
  26. Riga 9 / Colonna 3 → 1 (Naked Single)
  27. Riga 6 / Colonna 3 → 9 (Full House)
  28. Riga 9 / Colonna 1 → 7 (Full House)
  29. Riga 4 / Colonna 2 → 1 (Naked Single)
  30. Riga 2 / Colonna 2 → 7 (Full House)
  31. Riga 2 / Colonna 1 → 1 (Full House)
  32. Riga 5 / Colonna 9 → 3 (Naked Single)
  33. Riga 2 / Colonna 9 → 5 (Naked Single)
  34. Riga 2 / Colonna 4 → 3 (Full House)
  35. Riga 4 / Colonna 8 → 2 (Naked Single)
  36. Riga 6 / Colonna 8 → 1 (Naked Single)
  37. Riga 3 / Colonna 8 → 3 (Full House)
  38. Riga 3 / Colonna 9 → 1 (Full House)
  39. Riga 3 / Colonna 6 → 5 (Naked Single)
  40. Riga 4 / Colonna 5 → 8 (Naked Single)
  41. Riga 3 / Colonna 5 → 2 (Full House)
  42. Riga 3 / Colonna 4 → 8 (Full House)
  43. Riga 6 / Colonna 9 → 8 (Naked Single)
  44. Riga 4 / Colonna 9 → 7 (Full House)
  45. Riga 4 / Colonna 6 → 3 (Naked Single)
  46. Riga 5 / Colonna 6 → 2 (Naked Single)
  47. Riga 6 / Colonna 6 → 6 (Full House)
  48. Riga 6 / Colonna 4 → 4 (Naked Single)
  49. Riga 6 / Colonna 1 → 3 (Full House)
  50. Riga 4 / Colonna 1 → 5 (Naked Single)
  51. Riga 4 / Colonna 4 → 9 (Full House)
  52. Riga 5 / Colonna 4 → 5 (Full House)
  53. Riga 5 / Colonna 1 → 4 (Full House)
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