Soluzione per Sudoku diabolico #2252371964842

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

Questo puzzle di sudoku ha 60 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Swordfish, Naked Single, Empty Rectangle, Full House.

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

Passaggi della soluzione:

  1. Riga 5 / Colonna 7 → 1 (Hidden Single)
  2. Riga 5 / Colonna 2 → 7 (Hidden Single)
  3. Riga 6 / Colonna 6 → 3 (Hidden Single)
  4. Riga 4 / Colonna 4 → 1 (Hidden Single)
  5. Riga 9 / Colonna 4 → 3 (Hidden Single)
  6. Riga 2 / Colonna 8 → 2 (Hidden Single)
  7. Riga 7 / Colonna 7 → 4 (Hidden Single)
  8. Riga 8 / Colonna 3 → 1 (Hidden Single)
  9. Riga 1 / Colonna 6 → 7 (Hidden Single)
  10. Riga 3 / Colonna 7 → 7 (Hidden Single)
  11. Riga 7 / Colonna 4 → 8 (Hidden Single)
  12. Riga 8 / Colonna 2 → 3 (Hidden Single)
  13. Riga 1 / Colonna 3 → 3 (Hidden Single)
  14. Riga 1 / Colonna 5 → 4 (Hidden Single)
  15. Riga 5 / Colonna 6 → 4 (Hidden Single)
  16. Riga 3 / Colonna 4 → 2 (Hidden Single)
  17. Riga 2 / Colonna 9 → 3 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 6 in b4 => r4c8<>6
  19. Locked Candidates Type 1 (Pointing): 2 in b5 => r9c5<>2
  20. Locked Candidates Type 1 (Pointing): 9 in b6 => r8c8<>9
  21. Naked Pair: 5,8 in r35c3 => r4c3<>5
  22. X-Wing: 8 c27 r69 => r6c89,r9c1<>8
  23. Swordfish: 9 r378 c169 => r29c1,r9c6<>9
  24. Riga 9 / Colonna 1 → 6 (Naked Single)
  25. Riga 7 / Colonna 3 → 2 (Naked Single)
  26. Riga 4 / Colonna 3 → 6 (Naked Single)
  27. Riga 9 / Colonna 6 → 2 (Hidden Single)
  28. Naked Pair: 4,5 in r24c1 => r3c1<>5
  29. Empty Rectangle: 5 in b2 (r35c3) => r5c4<>5
  30. Riga 5 / Colonna 4 → 9 (Naked Single)
  31. Riga 2 / Colonna 2 → 9 (Hidden Single)
  32. Riga 3 / Colonna 1 → 8 (Naked Single)
  33. Riga 9 / Colonna 2 → 8 (Naked Single)
  34. Riga 8 / Colonna 1 → 9 (Full House)
  35. Riga 3 / Colonna 3 → 5 (Naked Single)
  36. Riga 2 / Colonna 1 → 4 (Full House)
  37. Riga 3 / Colonna 6 → 9 (Full House)
  38. Riga 5 / Colonna 3 → 8 (Full House)
  39. Riga 4 / Colonna 1 → 5 (Full House)
  40. Riga 5 / Colonna 8 → 5 (Full House)
  41. Riga 9 / Colonna 7 → 5 (Naked Single)
  42. Riga 9 / Colonna 5 → 9 (Full House)
  43. Riga 7 / Colonna 6 → 6 (Naked Single)
  44. Riga 7 / Colonna 9 → 9 (Full House)
  45. Riga 8 / Colonna 6 → 5 (Full House)
  46. Riga 4 / Colonna 5 → 2 (Naked Single)
  47. Riga 6 / Colonna 5 → 5 (Full House)
  48. Riga 6 / Colonna 9 → 6 (Naked Single)
  49. Riga 2 / Colonna 7 → 6 (Naked Single)
  50. Riga 6 / Colonna 7 → 8 (Full House)
  51. Riga 2 / Colonna 4 → 5 (Full House)
  52. Riga 1 / Colonna 4 → 6 (Full House)
  53. Riga 4 / Colonna 2 → 4 (Naked Single)
  54. Riga 4 / Colonna 8 → 9 (Full House)
  55. Riga 6 / Colonna 8 → 4 (Full House)
  56. Riga 6 / Colonna 2 → 2 (Full House)
  57. Riga 8 / Colonna 9 → 8 (Naked Single)
  58. Riga 1 / Colonna 9 → 5 (Full House)
  59. Riga 1 / Colonna 8 → 8 (Full House)
  60. Riga 8 / Colonna 8 → 6 (Full House)
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