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

Questo puzzle di sudoku ha 46 passaggi e viene risolto utilizzando tecniche di Naked Single, Locked Candidates Type 1 (Pointing), Naked Pair, Turbot Fish, Empty Rectangle, Full House, Skyscraper, Hidden Single.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 8 → 8 (Naked Single)
  2. Locked Candidates Type 1 (Pointing): 1 in b3 => r6c7<>1
  3. Locked Candidates Type 1 (Pointing): 5 in b3 => r6c7<>5
  4. Naked Pair: 1,5 in r3c27 => r3c6<>5
  5. Turbot Fish: 5 r2c6 =5= r1c4 -5- r4c4 =5= r4c2 => r2c2<>5
  6. Empty Rectangle: 5 in b1 (r4c24) => r1c4<>5
  7. Riga 1 / Colonna 4 → 3 (Naked Single)
  8. Riga 2 / Colonna 5 → 4 (Naked Single)
  9. Riga 2 / Colonna 6 → 5 (Naked Single)
  10. Riga 2 / Colonna 7 → 1 (Naked Single)
  11. Riga 2 / Colonna 2 → 3 (Full House)
  12. Riga 3 / Colonna 7 → 5 (Full House)
  13. Riga 3 / Colonna 2 → 1 (Naked Single)
  14. Skyscraper: 4 in r4c4,r9c6 (connected by r49c2) => r56c6,r8c4<>4
  15. Riga 8 / Colonna 4 → 8 (Naked Single)
  16. Riga 9 / Colonna 6 → 4 (Hidden Single)
  17. Riga 9 / Colonna 2 → 7 (Naked Single)
  18. Riga 1 / Colonna 2 → 5 (Naked Single)
  19. Riga 1 / Colonna 1 → 7 (Full House)
  20. Riga 4 / Colonna 2 → 4 (Full House)
  21. Riga 4 / Colonna 4 → 5 (Full House)
  22. Riga 8 / Colonna 3 → 3 (Naked Single)
  23. Riga 9 / Colonna 5 → 3 (Naked Single)
  24. Riga 9 / Colonna 3 → 8 (Full House)
  25. Riga 5 / Colonna 3 → 7 (Full House)
  26. Riga 7 / Colonna 1 → 4 (Full House)
  27. Riga 7 / Colonna 5 → 7 (Full House)
  28. Riga 8 / Colonna 7 → 4 (Naked Single)
  29. Riga 6 / Colonna 7 → 3 (Full House)
  30. Riga 5 / Colonna 6 → 6 (Naked Single)
  31. Riga 7 / Colonna 9 → 1 (Naked Single)
  32. Riga 7 / Colonna 8 → 3 (Full House)
  33. Riga 8 / Colonna 9 → 6 (Naked Single)
  34. Riga 8 / Colonna 8 → 7 (Full House)
  35. Riga 6 / Colonna 1 → 5 (Naked Single)
  36. Riga 5 / Colonna 1 → 3 (Full House)
  37. Riga 3 / Colonna 6 → 8 (Naked Single)
  38. Riga 3 / Colonna 5 → 6 (Full House)
  39. Riga 6 / Colonna 5 → 8 (Full House)
  40. Riga 6 / Colonna 6 → 7 (Full House)
  41. Riga 5 / Colonna 8 → 1 (Naked Single)
  42. Riga 6 / Colonna 8 → 6 (Full House)
  43. Riga 6 / Colonna 9 → 4 (Naked Single)
  44. Riga 5 / Colonna 9 → 5 (Full House)
  45. Riga 5 / Colonna 4 → 4 (Full House)
  46. Riga 6 / Colonna 4 → 1 (Full House)
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