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File jsonD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_05_02_2026_2026_02_11_07_37_48376883.json
File pdfD:/inetpub/webs/ruggeriinfo/public/sudoku/pdf/L3_05_02_2026_2026_02_11_07_37_48376883_6_9.pdf

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Sudoku Solve Path

GradoTough Livello4 (precedente: 4)
Punteggio finale6.9 Punteggio precedente143
Indizi23 # Passi31
Versione generatoreversion 3.76, 08-Feb-2026
Soluzione518769432436251897792483561384615729279834615651927384847196253963542178125378946
FileD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_05_02_2026_2026_02_11_07_37_48376883.json

Passi risolutivi (31)

Passo 1 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 9 in G5 changed to solution
Passo 2 Hidden Singles valore: 6 categoria doc: Getting_Started
1 in B6 is last in column/box
3 in E5 is last in column/box
Passo 3 Hidden Singles valore: 5.7 categoria doc: Getting_Started
1 in A2 is last in column/box
8 in C5 is last in column
Passo 4 Hidden Singles valore: 5.3 categoria doc: Getting_Started
3 in B2 is last in column/box
8 in A3 is last in row/box
Passo 5 Hidden Singles valore: 5.1 categoria doc: Getting_Started
3 in G9 is last in column
Passo 6 Hidden Singles valore: 5 categoria doc: Getting_Started
8 in G1 is last in row
Passo 7 Hidden Singles valore: 4.8 categoria doc: Getting_Started
7 in G3 is last in row
Passo 8 Naked Singles valore: 2.3 categoria doc: Getting_Started
Last candidate 2 in C3 changed to solution
Passo 9 Naked Singles valore: 2.2 categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Passo 10 Hidden Singles valore: 4.2 categoria doc: Getting_Started
2 in B4 is last in row/box
Passo 11 Naked Pair valore: 20.5 categoria doc: Naked_Candidates
Naked Pair 4/7 on cells {B1|C1} means
- 7 can be removed from E1
- 7 can be removed from F1
Passo 12 Hidden Pair valore: 39.1 categoria doc: Hidden_Candidates
Hidden Pair 7/8 in Row H, on cells {H8|H9}
- removes 1/2/4/9 from H8
- removes 1/6/9 from H9
Passo 13 Hidden Singles valore: 3.7 categoria doc: Getting_Started
1 in E8 is last in column
1 in H7 is last in row/box
Passo 14 Hidden Singles valore: 3.5 categoria doc: Getting_Started
1 in C9 is last in row/column/box
9 in H1 is last in row
Passo 15 Naked Singles valore: 1.7 categoria doc: Getting_Started
Last candidate 6 in F1 changed to solution Last candidate 5 in J3 changed to solution
Passo 16 Naked Singles valore: 1.5 categoria doc: Getting_Started
Last candidate 2 in E1 changed to solution Last candidate 9 in E3 changed to solution
Passo 17 Hidden Singles valore: 2.7 categoria doc: Getting_Started
2 in D8 is last in row/box
Passo 18 Pointing Pairs valore: 39.2 categoria doc: Intersection_Removal
Pair: between Box 2 and Col 4:
- 7 can be removed from E4
- 7 can be removed from F4
Passo 19 Chute Remote Pair valore: 64.6 categoria doc: Chute_Remote_Pair
7 cannot be set in the yellow cells {C7,C8,C9} and with the Remote Pair in A4 and B1 it means:
- 4 can be removed from B5
Last candidate 5 in B5 changed to solution
Passo 20 Naked Singles valore: 1.2 categoria doc: Getting_Started
Last candidate 4 in H5 changed to solution
Passo 21 Hidden Singles valore: 2.3 categoria doc: Getting_Started
4 in E6 is last in column
5 in C7 is last in row/box
Passo 22 Naked Singles valore: 1.1 categoria doc: Getting_Started
Last candidate 6 in E7 changed to solution
Passo 23 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 2 in G7 changed to solution
Passo 24 Naked Singles valore: 0.9 categoria doc: Getting_Started
Last candidate 6 in G6 changed to solution
Passo 25 Naked Singles valore: 0.9 categoria doc: Getting_Started
Last candidate 5 in D6 changed to solution Last candidate 5 in H4 changed to solution
Passo 26 Naked Singles valore: 0.8 categoria doc: Getting_Started
Last candidate 8 in D2 changed to solution Last candidate 8 in E4 changed to solution Last candidate 7 in F6 changed to solution Last candidate 2 in H6 changed to solution
Passo 27 Naked Singles valore: 0.6 categoria doc: Getting_Started
Last candidate 9 in D9 changed to solution Last candidate 5 in E9 changed to solution Last candidate 5 in F2 changed to solution Last candidate 9 in F4 changed to solution Last candidate 6 in H2 changed to solution
Passo 28 Naked Singles valore: 0.4 categoria doc: Getting_Started
Last candidate 7 in B9 changed to solution Last candidate 6 in D4 changed to solution Last candidate 7 in E2 changed to solution Last candidate 3 in F7 changed to solution Last candidate 2 in J2 changed to solution Last candidate 6 in J9 changed to solution
Passo 29 Naked Singles valore: 0.3 categoria doc: Getting_Started
Last candidate 4 in A7 changed to solution Last candidate 4 in B1 changed to solution Last candidate 8 in F8 changed to solution Last candidate 8 in H9 changed to solution
Passo 30 Naked Singles valore: 0.1 categoria doc: Getting_Started
Last candidate 7 in A4 changed to solution Last candidate 3 in A8 changed to solution Last candidate 9 in B8 changed to solution Last candidate 7 in C1 changed to solution Last candidate 7 in H8 changed to solution Last candidate 9 in J7 changed to solution
Passo 31 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 4 in C4 changed to solution Last candidate 4 in J8 changed to solution