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File jsonD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_28_07_2026_2026_08_21_15_22_26212983.json
File pdfD:/inetpub/webs/ruggeriinfo/public/sudoku/pdf/L3_28_07_2026_2026_08_21_15_22_26212983_6_2.pdf

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Sudoku Solve Path

GradoTough Livello4 (precedente: 4)
Punteggio finale6.2 Punteggio precedente197
Indizi23 # Passi33
Versione generatoreversion 4.24, 18-Aug-2026
Soluzione617453982849612357235897614194328576328576149576149823463285791781934265952761438
FileD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_28_07_2026_2026_08_21_15_22_26212983.json

Passi risolutivi (33)

Passo 1 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 8 in J9 changed to solution
Passo 2 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 1 in G9 changed to solution
Passo 3 Hidden Singles valore: 5.3 categoria doc: Getting_Started
1 in H3 is last in row/box
2 in A9 is last in column
2 in G4 is last in column/box
3 in B7 is last in row
3 in C2 is last in box
3 in D4 is last in row/box
4 in A4 is last in row/box
4 in H6 is last in column
Passo 4 Naked Singles valore: 2.2 categoria doc: Getting_Started
Last candidate 9 in H4 changed to solution
Passo 5 Naked Singles valore: 2.1 categoria doc: Getting_Started
Last candidate 7 in H1 changed to solution
Last candidate 3 in H5 changed to solution
Passo 6 Naked Singles valore: 2 categoria doc: Getting_Started
Last candidate 6 in A1 changed to solution
Passo 7 Naked Singles valore: 1.9 categoria doc: Getting_Started
Last candidate 7 in A3 changed to solution
Last candidate 2 in C1 changed to solution
Passo 8 Naked Singles valore: 1.7 categoria doc: Getting_Started
Last candidate 1 in A2 changed to solution
Last candidate 5 in F1 changed to solution
Passo 9 Naked Singles valore: 1.7 categoria doc: Getting_Started
Last candidate 9 in J1 changed to solution
Passo 10 Naked Singles valore: 1.6 categoria doc: Getting_Started
Last candidate 4 in J7 changed to solution
Passo 11 Naked Singles valore: 1.6 categoria doc: Getting_Started
Last candidate 3 in J8 changed to solution
Passo 12 Naked Singles valore: 1.6 categoria doc: Getting_Started
Last candidate 9 in G8 changed to solution
Passo 13 Naked Singles valore: 1.4 categoria doc: Getting_Started
Last candidate 8 in A8 changed to solution
Passo 14 Naked Singles valore: 1.4 categoria doc: Getting_Started
Last candidate 9 in A7 changed to solution
Passo 15 Naked Singles valore: 1.3 categoria doc: Getting_Started
Last candidate 5 in A5 changed to solution
Passo 16 Naked Singles valore: 1.2 categoria doc: Getting_Started
Last candidate 6 in J5 changed to solution
Passo 17 Naked Singles valore: 1.1 categoria doc: Getting_Started
Last candidate 8 in G5 changed to solution
Last candidate 2 in J3 changed to solution
Passo 18 Naked Singles valore: 1.1 categoria doc: Getting_Started
Last candidate 5 in G6 changed to solution
Last candidate 5 in J2 changed to solution
Passo 19 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 6 in G2 changed to solution
Passo 20 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 3 in G3 changed to solution
Passo 21 Hidden Singles valore: 1.7 categoria doc: Getting_Started
5 in D7 is last in row
5 in E4 is last in column/box
9 in C5 is last in column
9 in F6 is last in row/box
Passo 22 Hidden Pair valore: 15.1 categoria doc: Hidden_Candidates
Hidden Pair 2/7 in Row F, on cells {F2|F8}
- removes 1 from F8
Passo 23 Pointing Pairs valore: 22.3 categoria doc: Intersection_Removal
Pair: between Box 3 and Row C:
- 1 can be removed from C4
Passo 24 Unique Rectangle Type 1 valore: 28.6 categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 2/7 at E8 because of E2,F2,F8
Passo 25 Hidden Singles valore: 1.4 categoria doc: Getting_Started
2 in E2 is last in row
2 in F8 is last in column/box
Passo 26 Naked Singles valore: 0.6 categoria doc: Getting_Started
Last candidate 7 in F2 changed to solution
Passo 27 Pointing Pairs valore: 18.6 categoria doc: Intersection_Removal
Pair: between Box 6 and Row D:
- 7 can be removed from D6
Passo 28 W-Wing valore: 28.9 categoria doc: W_Wings
W-Wing (single). Either there is a 6 in B4 or in C7. They are connected through 1 in F4/F7, therefore
- 6 can be removed from B9
- 6 can be removed from C4
- 6 can be removed from C6
Last candidate 7 in B9 changed to solution
Last candidate 8 in C4 changed to solution
Passo 29 Naked Singles valore: 0.3 categoria doc: Getting_Started
Last candidate 1 in B5 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 1 in C8 changed to solution
Last candidate 6 in D9 changed to solution
Passo 30 Naked Singles valore: 0.2 categoria doc: Getting_Started
Last candidate 6 in B4 changed to solution
Last candidate 6 in C7 changed to solution
Last candidate 8 in D6 changed to solution
Last candidate 7 in E5 changed to solution
Last candidate 4 in E8 changed to solution
Passo 31 Naked Singles valore: 0.1 categoria doc: Getting_Started
Last candidate 4 in D3 changed to solution
Last candidate 7 in D8 changed to solution
Last candidate 6 in E6 changed to solution
Last candidate 1 in F4 changed to solution
Passo 32 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 8 in E3 changed to solution
Last candidate 8 in F7 changed to solution
Passo 33 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 1 in E7 changed to solution
Last candidate 6 in F3 changed to solution