🧩 Sudoku Solve Path Explorer

← Torna all'elenco

PDF :::: Sudoku Solve Path

File jsonD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_2026_01_25_16_07_21792636.json
File pdfD:/inetpub/webs/ruggeriinfo/public/sudoku/pdf/L3_2026_01_25_16_07_21792636_7_0.pdf

← Torna all'elenco

Sudoku Solve Path

GradoTough Livello4 (precedente: 4)
Punteggio finale7.0 Punteggio precedente176
Indizi23 # Passi25
Versione generatoreversion 3.74, 25-Jan-2026
Soluzione938421657264857913571639482145783296726915834893246571359164728487392165612578349
FileD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_2026_01_25_16_07_21792636.json

Passi risolutivi (25)

Passo 1 Hidden Singles valore: 6 categoria doc: Getting_Started
4 in A4 is last in column/box
5 in C1 is last in column
5 in G2 is last in box
8 in J6 is last in column/box
Passo 2 Naked Singles valore: 2.8 categoria doc: Getting_Started
Last candidate 9 in A1 changed to solution Last candidate 1 in G4 changed to solution
Passo 3 Naked Singles valore: 2.6 categoria doc: Getting_Started
Last candidate 6 in G5 changed to solution Last candidate 8 in G9 changed to solution
Passo 4 Naked Singles valore: 2.4 categoria doc: Getting_Started
Last candidate 2 in G8 changed to solution
Passo 5 Hidden Singles valore: 4.6 categoria doc: Getting_Started
2 in A5 is last in row/box
2 in J3 is last in row/box
Passo 6 Hidden Pair valore: 43.2 categoria doc: Hidden_Candidates
Hidden Pair 1/6 in Row H, on cells {H7|H8}
- removes 3/9 from H7
- removes 3/4/9 from H8
Passo 7 Hidden Singles valore: 4.3 categoria doc: Getting_Started
9 in H5 is last in row
Passo 8 Hidden Singles valore: 4.1 categoria doc: Getting_Started
3 in H4 is last in row
Passo 9 Line/Box Reduction valore: 76.5 categoria doc: Intersection_Removal
Pair: between Col 9 and Box 5:
- 1 can be removed from D7
- 1 can be removed from D8
- 1 can be removed from E7
- 1 can be removed from E8
- 1 can be removed from F7
- 1 can be removed from F8
Passo 10 Hidden Pair valore: 38 categoria doc: Hidden_Candidates
Hidden Pair 1/6 in Col 8, on cells {B8|H8}
- removes 9 from B8
Passo 11 Unique Rectangle Type 1 valore: 74.8 categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 1/6 at B7 because of B8,H8,H7
Last candidate 9 in B7 changed to solution
Passo 12 Naked Singles valore: 1.8 categoria doc: Getting_Started
Last candidate 8 in C8 changed to solution Last candidate 3 in J7 changed to solution
Passo 13 Naked Singles valore: 1.7 categoria doc: Getting_Started
Last candidate 2 in D7 changed to solution
Passo 14 Naked Singles valore: 1.6 categoria doc: Getting_Started
Last candidate 7 in D4 changed to solution Last candidate 5 in F7 changed to solution
Passo 15 Naked Singles valore: 1.4 categoria doc: Getting_Started
Last candidate 8 in E7 changed to solution Last candidate 2 in F4 changed to solution Last candidate 5 in J4 changed to solution
Passo 16 Naked Singles valore: 1.3 categoria doc: Getting_Started
Last candidate 7 in J5 changed to solution
Passo 17 Naked Singles valore: 1.3 categoria doc: Getting_Started
Last candidate 3 in C5 changed to solution
Passo 18 Naked Singles valore: 1.2 categoria doc: Getting_Started
Last candidate 1 in A6 changed to solution Last candidate 7 in C2 changed to solution
Passo 19 Naked Singles valore: 1 categoria doc: Getting_Started
Last candidate 6 in A7 changed to solution Last candidate 5 in B5 changed to solution Last candidate 9 in C6 changed to solution Last candidate 3 in D6 changed to solution
Passo 20 Naked Singles valore: 0.8 categoria doc: Getting_Started
Last candidate 7 in B6 changed to solution Last candidate 1 in B8 changed to solution Last candidate 1 in E5 changed to solution Last candidate 6 in F6 changed to solution Last candidate 1 in H7 changed to solution
Passo 21 Naked Singles valore: 0.7 categoria doc: Getting_Started
Last candidate 5 in E6 changed to solution Last candidate 4 in E9 changed to solution Last candidate 6 in H8 changed to solution
Passo 22 Naked Singles valore: 0.6 categoria doc: Getting_Started
Last candidate 9 in D8 changed to solution Last candidate 7 in E1 changed to solution Last candidate 9 in J9 changed to solution
Passo 23 Naked Singles valore: 0.4 categoria doc: Getting_Started
Last candidate 4 in D2 changed to solution Last candidate 3 in E8 changed to solution Last candidate 3 in F3 changed to solution Last candidate 1 in F9 changed to solution Last candidate 4 in H1 changed to solution Last candidate 4 in J8 changed to solution
Passo 24 Naked Singles valore: 0.2 categoria doc: Getting_Started
Last candidate 8 in A3 changed to solution Last candidate 6 in B2 changed to solution Last candidate 1 in D1 changed to solution Last candidate 6 in E3 changed to solution Last candidate 9 in F2 changed to solution Last candidate 7 in F8 changed to solution Last candidate 8 in H2 changed to solution
Passo 25 Naked Singles valore: 0.1 categoria doc: Getting_Started
Last candidate 3 in A2 changed to solution Last candidate 4 in B3 changed to solution Last candidate 2 in E2 changed to solution Last candidate 7 in H3 changed to solution