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

Questo puzzle di sudoku ha 72 passaggi e viene risolto utilizzando tecniche di Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Naked Triple, Hidden Rectangle, Multi Colors 1.

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

Passaggi della soluzione:

  1. Riga 1 / Colonna 9 → 7 (Hidden Single)
  2. Riga 2 / Colonna 7 → 2 (Hidden Single)
  3. Riga 9 / Colonna 1 → 5 (Hidden Single)
  4. Riga 4 / Colonna 9 → 9 (Hidden Single)
  5. Riga 8 / Colonna 8 → 7 (Hidden Single)
  6. Riga 1 / Colonna 7 → 5 (Hidden Single)
  7. Riga 1 / Colonna 4 → 4 (Naked Single)
  8. Riga 1 / Colonna 1 → 8 (Naked Single)
  9. Riga 8 / Colonna 4 → 5 (Naked Single)
  10. Riga 2 / Colonna 4 → 1 (Naked Single)
  11. Riga 4 / Colonna 3 → 5 (Hidden Single)
  12. Riga 6 / Colonna 9 → 5 (Hidden Single)
  13. Riga 9 / Colonna 7 → 8 (Hidden Single)
  14. Riga 3 / Colonna 7 → 9 (Hidden Single)
  15. Riga 3 / Colonna 5 → 8 (Hidden Single)
  16. Riga 2 / Colonna 5 → 5 (Hidden Single)
  17. Riga 6 / Colonna 3 → 2 (Hidden Single)
  18. Riga 6 / Colonna 4 → 6 (Naked Single)
  19. Riga 4 / Colonna 4 → 2 (Full House)
  20. Riga 5 / Colonna 9 → 6 (Hidden Single)
  21. Riga 4 / Colonna 2 → 6 (Hidden Single)
  22. Riga 7 / Colonna 1 → 6 (Hidden Single)
  23. Riga 2 / Colonna 3 → 6 (Hidden Single)
  24. Riga 4 / Colonna 5 → 1 (Hidden Single)
  25. Riga 9 / Colonna 5 → 6 (Hidden Single)
  26. Riga 9 / Colonna 9 → 2 (Hidden Single)
  27. Riga 7 / Colonna 5 → 2 (Hidden Single)
  28. Riga 7 / Colonna 6 → 7 (Hidden Single)
  29. Locked Candidates Type 1 (Pointing): 1 in b6 => r7c7<>1
  30. Locked Candidates Type 1 (Pointing): 4 in b8 => r8c239<>4
  31. Locked Candidates Type 1 (Pointing): 9 in b8 => r8c23<>9
  32. Locked Candidates Type 1 (Pointing): 4 in b9 => r7c23<>4
  33. Locked Candidates Type 2 (Claiming): 8 in r5 => r6c2<>8
  34. X-Wing: 3 c68 r26 => r2c2,r6c57<>3
  35. Locked Candidates Type 1 (Pointing): 3 in b1 => r78c3<>3
  36. Naked Triple: 1,4,7 in r6c257 => r6c68<>4
  37. XYZ-Wing: 1/4/7 in r5c1,r69c2 => r5c2<>4
  38. Hidden Rectangle: 1/8 in r5c23,r8c23 => r5c2<>1
  39. Multi Colors 1: 4 (r2c2,r3c9,r4c8,r7c7,r8c6) / (r2c8,r4c6,r7c9,r8c5), (r3c1) / (r5c1) => r5c5<>4
  40. XY-Chain: 1 1- r7c3 -9- r1c3 -3- r1c5 -9- r2c6 -3- r2c8 -4- r3c9 -3- r8c9 -1 => r7c9,r8c23<>1
  41. Riga 8 / Colonna 3 → 8 (Naked Single)
  42. Riga 8 / Colonna 2 → 3 (Naked Single)
  43. Riga 8 / Colonna 9 → 1 (Naked Single)
  44. Riga 5 / Colonna 2 → 8 (Hidden Single)
  45. XY-Chain: 1 1- r6c7 -4- r4c8 -8- r6c8 -3- r2c8 -4- r2c2 -9- r7c2 -1 => r6c2<>1
  46. Riga 6 / Colonna 7 → 1 (Hidden Single)
  47. Riga 7 / Colonna 2 → 1 (Hidden Single)
  48. Riga 7 / Colonna 3 → 9 (Naked Single)
  49. Riga 1 / Colonna 3 → 3 (Naked Single)
  50. Riga 1 / Colonna 5 → 9 (Full House)
  51. Riga 2 / Colonna 6 → 3 (Full House)
  52. Riga 8 / Colonna 5 → 4 (Naked Single)
  53. Riga 8 / Colonna 6 → 9 (Full House)
  54. Riga 2 / Colonna 8 → 4 (Naked Single)
  55. Riga 2 / Colonna 2 → 9 (Full House)
  56. Riga 3 / Colonna 9 → 3 (Full House)
  57. Riga 7 / Colonna 9 → 4 (Full House)
  58. Riga 7 / Colonna 7 → 3 (Full House)
  59. Riga 5 / Colonna 7 → 4 (Full House)
  60. Riga 6 / Colonna 6 → 8 (Naked Single)
  61. Riga 4 / Colonna 6 → 4 (Full House)
  62. Riga 4 / Colonna 8 → 8 (Full House)
  63. Riga 6 / Colonna 8 → 3 (Full House)
  64. Riga 6 / Colonna 5 → 7 (Naked Single)
  65. Riga 5 / Colonna 5 → 3 (Full House)
  66. Riga 6 / Colonna 2 → 4 (Full House)
  67. Riga 9 / Colonna 2 → 7 (Full House)
  68. Riga 9 / Colonna 3 → 4 (Full House)
  69. Riga 5 / Colonna 1 → 1 (Naked Single)
  70. Riga 3 / Colonna 1 → 4 (Full House)
  71. Riga 3 / Colonna 3 → 1 (Full House)
  72. Riga 5 / Colonna 3 → 7 (Full House)
Mostra di più...