Soluzione per Sudoku diabolico #2257142689340

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

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 6 / Colonna 8 → 8 (Naked Single)
  2. Riga 6 / Colonna 7 → 9 (Naked Single)
  3. Riga 2 / Colonna 3 → 1 (Hidden Single)
  4. Riga 2 / Colonna 8 → 3 (Naked Single)
  5. Riga 5 / Colonna 2 → 6 (Hidden Single)
  6. Riga 8 / Colonna 7 → 5 (Hidden Single)
  7. Riga 5 / Colonna 9 → 4 (Hidden Single)
  8. Riga 3 / Colonna 7 → 6 (Hidden Single)
  9. Riga 9 / Colonna 9 → 1 (Hidden Single)
  10. Riga 1 / Colonna 9 → 2 (Naked Single)
  11. Riga 1 / Colonna 7 → 1 (Naked Single)
  12. Riga 3 / Colonna 9 → 8 (Full House)
  13. Riga 4 / Colonna 7 → 2 (Naked Single)
  14. Riga 5 / Colonna 8 → 1 (Full House)
  15. Riga 7 / Colonna 7 → 8 (Full House)
  16. Riga 4 / Colonna 2 → 4 (Hidden Single)
  17. Riga 2 / Colonna 2 → 9 (Naked Single)
  18. Riga 2 / Colonna 1 → 4 (Naked Single)
  19. Riga 4 / Colonna 5 → 1 (Hidden Single)
  20. Riga 9 / Colonna 1 → 8 (Hidden Single)
  21. Riga 3 / Colonna 6 → 9 (Hidden Single)
  22. Riga 8 / Colonna 9 → 9 (Hidden Single)
  23. Riga 7 / Colonna 9 → 3 (Full House)
  24. Locked Candidates Type 1 (Pointing): 3 in b4 => r39c3<>3
  25. Riga 8 / Colonna 2 → 3 (Hidden Single)
  26. Riga 3 / Colonna 2 → 7 (Full House)
  27. Naked Triple: 2,7,9 in r7c138 => r7c4<>7, r7c5<>2
  28. Hidden Pair: 2,7 in r59c6 => r9c6<>3
  29. Riga 9 / Colonna 4 → 3 (Hidden Single)
  30. Naked Triple: 4,5,6 in r167c4 => r5c4<>5
  31. Skyscraper: 5 in r1c4,r5c5 (connected by r15c1) => r3c5,r6c4<>5
  32. Riga 3 / Colonna 5 → 3 (Naked Single)
  33. Riga 1 / Colonna 6 → 4 (Naked Single)
  34. Riga 1 / Colonna 4 → 5 (Naked Single)
  35. Riga 1 / Colonna 1 → 3 (Full House)
  36. Uniqueness Test 1: 4/6 in r6c45,r7c45 => r6c5<>4, r6c5<>6
  37. Riga 6 / Colonna 5 → 5 (Naked Single)
  38. Riga 5 / Colonna 5 → 2 (Naked Single)
  39. Riga 6 / Colonna 3 → 3 (Naked Single)
  40. Riga 5 / Colonna 6 → 7 (Naked Single)
  41. Riga 8 / Colonna 5 → 8 (Naked Single)
  42. Riga 4 / Colonna 3 → 9 (Naked Single)
  43. Riga 5 / Colonna 1 → 5 (Full House)
  44. Riga 5 / Colonna 4 → 9 (Full House)
  45. Riga 6 / Colonna 6 → 6 (Naked Single)
  46. Riga 6 / Colonna 4 → 4 (Full House)
  47. Riga 9 / Colonna 6 → 2 (Naked Single)
  48. Riga 9 / Colonna 3 → 7 (Full House)
  49. Riga 2 / Colonna 5 → 6 (Naked Single)
  50. Riga 2 / Colonna 6 → 8 (Full House)
  51. Riga 7 / Colonna 5 → 4 (Full House)
  52. Riga 4 / Colonna 6 → 3 (Full House)
  53. Riga 4 / Colonna 4 → 8 (Full House)
  54. Riga 8 / Colonna 4 → 7 (Naked Single)
  55. Riga 7 / Colonna 4 → 6 (Full House)
  56. Riga 8 / Colonna 8 → 2 (Full House)
  57. Riga 7 / Colonna 8 → 7 (Full House)
  58. Riga 3 / Colonna 1 → 2 (Naked Single)
  59. Riga 3 / Colonna 3 → 5 (Full House)
  60. Riga 7 / Colonna 3 → 2 (Full House)
  61. Riga 7 / Colonna 1 → 9 (Full House)
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