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

Questo puzzle di sudoku ha 72 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Uniqueness Test 4, Hidden Rectangle, Discontinuous Nice Loop, Locked Candidates Type 2 (Claiming), Naked Triple, undefined, Empty Rectangle, Jellyfish.

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 6 → 3 (Naked Single)
  2. Riga 3 / Colonna 6 → 8 (Naked Single)
  3. Riga 2 / Colonna 6 → 1 (Naked Single)
  4. Riga 2 / Colonna 5 → 5 (Naked Single)
  5. Riga 3 / Colonna 4 → 9 (Naked Single)
  6. Riga 1 / Colonna 4 → 6 (Full House)
  7. Riga 6 / Colonna 5 → 3 (Naked Single)
  8. Riga 4 / Colonna 5 → 4 (Naked Single)
  9. Riga 8 / Colonna 5 → 1 (Full House)
  10. Riga 6 / Colonna 9 → 7 (Hidden Single)
  11. Riga 7 / Colonna 6 → 4 (Hidden Single)
  12. Riga 9 / Colonna 7 → 4 (Hidden Single)
  13. Riga 7 / Colonna 4 → 8 (Hidden Single)
  14. Riga 1 / Colonna 1 → 4 (Hidden Single)
  15. Riga 5 / Colonna 3 → 4 (Hidden Single)
  16. Riga 4 / Colonna 9 → 8 (Hidden Single)
  17. Riga 4 / Colonna 7 → 1 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 5 in b1 => r56c2<>5
  19. Locked Candidates Type 1 (Pointing): 7 in b7 => r8c4<>7
  20. Uniqueness Test 4: 2/7 in r5c46,r9c46 => r59c4<>2
  21. Hidden Rectangle: 2/8 in r2c23,r6c23 => r2c2<>2
  22. Discontinuous Nice Loop: 9 r2c2 -9- r1c3 -7- r1c8 =7= r2c8 =6= r5c8 -6- r5c2 =6= r6c2 =8= r2c2 => r2c2<>9
  23. Discontinuous Nice Loop: 3 r7c2 -3- r7c1 -2- r6c1 -5- r6c7 =5= r3c7 -5- r3c2 =5= r1c2 =9= r9c2 =1= r7c2 => r7c2<>3
  24. Hidden Rectangle: 1/2 in r7c28,r9c28 => r9c8<>2
  25. Discontinuous Nice Loop: 9 r8c1 -9- r4c1 =9= r4c3 -9- r1c3 -7- r8c3 =7= r8c1 => r8c1<>9
  26. Discontinuous Nice Loop: 1/2/3 r9c2 =9= r1c2 =5= r1c8 -5- r3c7 =5= r6c7 -5- r6c1 =5= r4c1 =9= r4c3 -9- r8c3 =9= r9c2 => r9c2<>1, r9c2<>2, r9c2<>3
  27. Riga 9 / Colonna 2 → 9 (Naked Single)
  28. Riga 1 / Colonna 2 → 5 (Naked Single)
  29. Riga 9 / Colonna 8 → 1 (Hidden Single)
  30. Riga 7 / Colonna 2 → 1 (Hidden Single)
  31. Riga 8 / Colonna 9 → 9 (Hidden Single)
  32. Riga 8 / Colonna 7 → 6 (Hidden Single)
  33. Riga 6 / Colonna 2 → 6 (Hidden Single)
  34. Riga 6 / Colonna 3 → 8 (Hidden Single)
  35. Riga 2 / Colonna 2 → 8 (Hidden Single)
  36. Locked Candidates Type 2 (Claiming): 3 in c7 => r2c89,r3c8<>3
  37. Naked Triple: 2,3,5 in r23c7,r3c8 => r2c89<>2
  38. Riga 2 / Colonna 9 → 6 (Naked Single)
  39. Riga 5 / Colonna 8 → 6 (Hidden Single)
  40. 2-String Kite: 2 in r3c2,r6c7 (connected by r5c2,r6c1) => r3c7<>2
  41. Empty Rectangle: 2 in b7 (r48c4) => r4c1<>2
  42. W-Wing: 3/2 in r2c7,r7c1 connected by 2 in r6c17 => r2c1<>3
  43. W-Wing: 2/5 in r4c4,r6c7 connected by 5 in r5c49 => r4c8<>2
  44. Jellyfish: 2 r2468 c1347 => r7c1<>2
  45. Riga 7 / Colonna 1 → 3 (Naked Single)
  46. Riga 4 / Colonna 8 → 3 (Hidden Single)
  47. Riga 9 / Colonna 9 → 3 (Hidden Single)
  48. Riga 9 / Colonna 4 → 7 (Naked Single)
  49. Riga 9 / Colonna 6 → 2 (Full House)
  50. Riga 5 / Colonna 6 → 7 (Full House)
  51. Riga 8 / Colonna 4 → 3 (Full House)
  52. Riga 5 / Colonna 4 → 5 (Naked Single)
  53. Riga 4 / Colonna 4 → 2 (Full House)
  54. Riga 5 / Colonna 9 → 2 (Naked Single)
  55. Riga 5 / Colonna 2 → 3 (Full House)
  56. Riga 6 / Colonna 7 → 5 (Full House)
  57. Riga 7 / Colonna 9 → 5 (Full House)
  58. Riga 3 / Colonna 2 → 2 (Full House)
  59. Riga 6 / Colonna 1 → 2 (Full House)
  60. Riga 7 / Colonna 8 → 2 (Full House)
  61. Riga 4 / Colonna 3 → 9 (Naked Single)
  62. Riga 4 / Colonna 1 → 5 (Full House)
  63. Riga 3 / Colonna 7 → 3 (Naked Single)
  64. Riga 3 / Colonna 8 → 5 (Full House)
  65. Riga 2 / Colonna 7 → 2 (Full House)
  66. Riga 8 / Colonna 1 → 7 (Naked Single)
  67. Riga 2 / Colonna 1 → 9 (Full House)
  68. Riga 8 / Colonna 3 → 2 (Full House)
  69. Riga 1 / Colonna 3 → 7 (Naked Single)
  70. Riga 1 / Colonna 8 → 9 (Full House)
  71. Riga 2 / Colonna 8 → 7 (Full House)
  72. Riga 2 / Colonna 3 → 3 (Full House)
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