Soluzione per Sudoku diabolico #2153941278640

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

Questo puzzle di sudoku ha 61 passaggi e viene risolto utilizzando tecniche di Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, Skyscraper, Uniqueness Test 1.

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

Passaggi della soluzione:

  1. Riga 8 / Colonna 4 → 7 (Naked Single)
  2. Riga 7 / Colonna 4 → 8 (Naked Single)
  3. Riga 3 / Colonna 8 → 9 (Hidden Single)
  4. Riga 8 / Colonna 8 → 6 (Naked Single)
  5. Riga 9 / Colonna 1 → 9 (Hidden Single)
  6. Riga 9 / Colonna 9 → 1 (Naked Single)
  7. Riga 7 / Colonna 9 → 9 (Naked Single)
  8. Riga 9 / Colonna 5 → 4 (Naked Single)
  9. Riga 9 / Colonna 7 → 7 (Naked Single)
  10. Riga 7 / Colonna 7 → 2 (Full House)
  11. Riga 7 / Colonna 6 → 1 (Naked Single)
  12. Riga 8 / Colonna 5 → 9 (Full House)
  13. Riga 7 / Colonna 3 → 7 (Naked Single)
  14. Riga 7 / Colonna 2 → 5 (Full House)
  15. Riga 2 / Colonna 5 → 2 (Hidden Single)
  16. Riga 5 / Colonna 6 → 9 (Hidden Single)
  17. Riga 2 / Colonna 6 → 4 (Hidden Single)
  18. Riga 2 / Colonna 8 → 8 (Naked Single)
  19. Riga 1 / Colonna 8 → 4 (Naked Single)
  20. Riga 1 / Colonna 1 → 7 (Hidden Single)
  21. Riga 9 / Colonna 2 → 8 (Hidden Single)
  22. Riga 9 / Colonna 3 → 6 (Full House)
  23. Riga 6 / Colonna 7 → 8 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 6 in b2 => r3c17<>6
  25. Riga 2 / Colonna 2 → 6 (Hidden Single)
  26. Riga 2 / Colonna 7 → 3 (Full House)
  27. Naked Triple: 1,3,8 in r138c3 => r4c3<>3, r5c3<>1
  28. Hidden Pair: 1,3 in r6c15 => r6c1<>6
  29. Riga 4 / Colonna 1 → 6 (Hidden Single)
  30. Naked Triple: 2,4,5 in r4c349 => r4c5<>5
  31. Skyscraper: 5 in r3c7,r4c9 (connected by r34c4) => r1c9,r5c7<>5
  32. Riga 1 / Colonna 9 → 6 (Naked Single)
  33. Riga 5 / Colonna 7 → 6 (Naked Single)
  34. Riga 6 / Colonna 9 → 4 (Naked Single)
  35. Riga 4 / Colonna 9 → 5 (Full House)
  36. Uniqueness Test 1: 2/4 in r4c34,r5c34 => r5c4<>2, r5c4<>4
  37. Riga 5 / Colonna 4 → 5 (Naked Single)
  38. Riga 3 / Colonna 4 → 6 (Naked Single)
  39. Riga 5 / Colonna 5 → 1 (Naked Single)
  40. Riga 3 / Colonna 6 → 8 (Naked Single)
  41. Riga 1 / Colonna 5 → 5 (Full House)
  42. Riga 6 / Colonna 4 → 2 (Naked Single)
  43. Riga 4 / Colonna 4 → 4 (Full House)
  44. Riga 5 / Colonna 2 → 7 (Naked Single)
  45. Riga 6 / Colonna 5 → 3 (Naked Single)
  46. Riga 4 / Colonna 5 → 8 (Full House)
  47. Riga 4 / Colonna 6 → 7 (Naked Single)
  48. Riga 6 / Colonna 6 → 6 (Full House)
  49. Riga 1 / Colonna 7 → 1 (Naked Single)
  50. Riga 1 / Colonna 3 → 8 (Full House)
  51. Riga 3 / Colonna 7 → 5 (Full House)
  52. Riga 6 / Colonna 8 → 7 (Naked Single)
  53. Riga 5 / Colonna 8 → 2 (Full House)
  54. Riga 6 / Colonna 1 → 1 (Full House)
  55. Riga 5 / Colonna 3 → 4 (Full House)
  56. Riga 3 / Colonna 1 → 3 (Full House)
  57. Riga 3 / Colonna 3 → 1 (Full House)
  58. Riga 4 / Colonna 3 → 2 (Naked Single)
  59. Riga 4 / Colonna 2 → 3 (Full House)
  60. Riga 8 / Colonna 3 → 3 (Full House)
  61. Riga 8 / Colonna 2 → 1 (Full House)
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