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

Questo puzzle di sudoku ha 33 passaggi e viene risolto utilizzando tecniche di undefined, Discontinuous Nice Loop, AIC, Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Sue de Coq, Sashimi Swordfish, Locked Pair, Naked Pair, Naked Triple, Continuous Nice Loop, Grouped Discontinuous Nice Loop, Give Up.

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

Passaggi della soluzione:

  1. 2-String Kite: 1 in r4c1,r7c8 (connected by r7c2,r8c1) => r4c8<>1
  2. 2-String Kite: 6 in r2c3,r9c8 (connected by r1c8,r2c7) => r9c3<>6
  3. XYZ-Wing: 6/7/8 in r39c8,r9c7 => r7c8<>8
  4. Discontinuous Nice Loop: 3 r4c8 -3- r5c8 =3= r5c2 =9= r5c9 -9- r8c9 =9= r8c7 =1= r7c8 =2= r4c8 => r4c8<>3
  5. Discontinuous Nice Loop: 8 r4c8 -8- r5c9 -9- r8c9 =9= r8c7 =1= r7c8 =2= r4c8 => r4c8<>8
  6. Discontinuous Nice Loop: 7 r7c5 -7- r7c2 -1- r7c8 =1= r8c7 =9= r8c9 -9- r5c9 -8- r7c9 =8= r7c5 => r7c5<>7
  7. Discontinuous Nice Loop: 2 r8c7 -2- r8c5 =2= r7c5 =8= r7c9 -8- r5c9 -9- r8c9 =9= r8c7 => r8c7<>2
  8. AIC: 8 8- r3c8 -7- r2c9 -2- r2c7 =2= r4c7 -2- r4c8 =2= r7c8 =1= r8c7 =9= r8c9 -9- r5c9 -8 => r56c8<>8
  9. Discontinuous Nice Loop: 4/8 r9c3 =5= r9c2 -5- r4c2 =5= r4c1 =1= r8c1 -1- r8c7 =1= r7c8 =2= r4c8 -2- r4c7 =2= r2c7 =6= r2c3 =5= r9c3 => r9c3<>4, r9c3<>8
  10. Riga 9 / Colonna 3 → 5 (Naked Single)
  11. Riga 2 / Colonna 1 → 5 (Hidden Single)
  12. Riga 4 / Colonna 2 → 5 (Hidden Single)
  13. Locked Candidates Type 1 (Pointing): 8 in b7 => r8c5679<>8
  14. AIC: 4 4- r5c1 -8- r5c9 =8= r7c9 -8- r7c5 =8= r9c4 =4= r9c2 -4 => r56c2,r8c1<>4
  15. Locked Candidates Type 2 (Claiming): 4 in c1 => r6c3<>4
  16. Sue de Coq: r5c12 - {3489} (r5c8 - {34}, r6c3 - {89}) => r4c1<>8, r6c2<>9
  17. XYZ-Wing: 1/3/4 in r56c8,r6c2 => r6c7<>3
  18. Sashimi Swordfish: 8 r349 c478 fr4c5 fr4c6 => r6c4<>8
  19. AIC: 4 4- r4c8 -2- r4c7 =2= r2c7 -2- r2c9 -7- r3c8 =7= r3c4 -7- r6c4 -4 => r4c56,r6c8<>4
  20. Locked Pair: 3,8 in r4c56 => r4c7,r6c5<>3, r4c7,r6c5<>8
  21. Locked Candidates Type 1 (Pointing): 3 in b6 => r1c8<>3
  22. Naked Pair: 1,3 in r6c28 => r6c7<>1
  23. Naked Triple: 6,7,8 in r139c8 => r7c8<>7
  24. X-Wing: 1 r67 c28 => r8c2<>1
  25. W-Wing: 7/4 in r6c5,r8c6 connected by 4 in r69c4 => r8c5<>7
  26. Discontinuous Nice Loop: 6 r1c3 -6- r1c8 =6= r9c8 -6- r9c7 -8- r6c7 -9- r6c3 =9= r1c3 => r1c3<>6
  27. Continuous Nice Loop: 2 8= r7c9 =7= r7c2 =1= r8c1 =8= r5c1 -8- r5c9 =8= r7c9 =7 => r7c9<>2
  28. Naked Triple: 6,7,8 in r7c9,r9c78 => r8c7<>6, r8c9<>7
  29. Locked Candidates Type 1 (Pointing): 6 in b9 => r9c2<>6
  30. Grouped Discontinuous Nice Loop: 4 r2c5 -4- r2c3 -6- r8c3 =6= r8c2 =7= r8c6 =4= r12c6 -4- r2c5 => r2c5<>4
  31. Locked Candidates Type 1 (Pointing): 4 in b2 => r8c6<>4
  32. Riga 8 / Colonna 6 → 7 (Naked Single)
  33. Give Up: Don't know how to proceed!
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