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

Questo puzzle di sudoku ha 50 passaggi e viene risolto utilizzando tecniche di Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Single, Full House, undefined, AIC, Hidden Pair, Uniqueness Test 6, Bivalue Universal Grave + 1.

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

Passaggi della soluzione:

  1. Riga 4 / Colonna 4 → 5 (Hidden Single)
  2. Riga 4 / Colonna 5 → 7 (Hidden Single)
  3. Locked Candidates Type 1 (Pointing): 9 in b1 => r3c9<>9
  4. Locked Candidates Type 1 (Pointing): 2 in b8 => r7c13<>2
  5. Locked Candidates Type 1 (Pointing): 9 in b8 => r56c5<>9
  6. Locked Candidates Type 2 (Claiming): 3 in r1 => r3c12<>3
  7. Locked Candidates Type 2 (Claiming): 3 in c2 => r45c3<>3
  8. Locked Candidates Type 2 (Claiming): 4 in c6 => r6c45<>4
  9. Riga 6 / Colonna 4 → 2 (Naked Single)
  10. Riga 7 / Colonna 4 → 4 (Naked Single)
  11. Riga 8 / Colonna 5 → 9 (Naked Single)
  12. Riga 7 / Colonna 5 → 2 (Full House)
  13. Riga 2 / Colonna 5 → 4 (Hidden Single)
  14. Finned X-Wing: 2 c29 r34 fr5c2 => r4c3<>2
  15. XY-Chain: 1 1- r3c6 -3- r3c9 -2- r4c9 -9- r6c7 -1 => r6c6<>1
  16. AIC: 3/6 3- r2c4 =3= r2c9 =9= r4c9 =2= r4c2 =3= r4c6 -3- r5c4 -6 => r5c4<>3, r2c4<>6
  17. Riga 5 / Colonna 4 → 6 (Naked Single)
  18. Riga 2 / Colonna 4 → 3 (Full House)
  19. Riga 2 / Colonna 9 → 9 (Naked Single)
  20. Riga 2 / Colonna 7 → 6 (Full House)
  21. Riga 3 / Colonna 6 → 1 (Naked Single)
  22. Riga 3 / Colonna 5 → 6 (Full House)
  23. Riga 4 / Colonna 9 → 2 (Naked Single)
  24. Riga 3 / Colonna 9 → 3 (Full House)
  25. Riga 1 / Colonna 7 → 2 (Full House)
  26. Hidden Pair: 2,8 in r59c3 => r5c3<>9
  27. Uniqueness Test 6: 3/9 in r4c26,r5c26 => r4c6,r5c2<>3
  28. Riga 4 / Colonna 2 → 3 (Hidden Single)
  29. Riga 5 / Colonna 6 → 3 (Hidden Single)
  30. Bivalue Universal Grave + 1 => r6c1<>4, r6c1<>8
  31. Riga 6 / Colonna 1 → 9 (Naked Single)
  32. Riga 3 / Colonna 1 → 2 (Naked Single)
  33. Riga 3 / Colonna 2 → 9 (Full House)
  34. Riga 5 / Colonna 2 → 2 (Full House)
  35. Riga 4 / Colonna 3 → 4 (Naked Single)
  36. Riga 5 / Colonna 3 → 8 (Full House)
  37. Riga 4 / Colonna 6 → 9 (Full House)
  38. Riga 6 / Colonna 6 → 4 (Full House)
  39. Riga 6 / Colonna 7 → 1 (Naked Single)
  40. Riga 5 / Colonna 7 → 9 (Full House)
  41. Riga 5 / Colonna 5 → 1 (Full House)
  42. Riga 6 / Colonna 5 → 8 (Full House)
  43. Riga 7 / Colonna 1 → 3 (Naked Single)
  44. Riga 7 / Colonna 3 → 9 (Full House)
  45. Riga 9 / Colonna 1 → 8 (Naked Single)
  46. Riga 9 / Colonna 3 → 2 (Full House)
  47. Riga 8 / Colonna 3 → 6 (Naked Single)
  48. Riga 1 / Colonna 3 → 3 (Full House)
  49. Riga 1 / Colonna 1 → 6 (Full House)
  50. Riga 8 / Colonna 1 → 4 (Full House)
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