🧩 Sudoku Solve Path Explorer

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File jsonD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_20_03_2026_2026_03_20_09_02_47839037.json
File pdfD:/inetpub/webs/ruggeriinfo/public/sudoku/pdf/L3_20_03_2026_2026_03_20_09_02_47839037_6_3.pdf

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Sudoku Solve Path

GradoTough Livello4 (precedente: 4)
Punteggio finale6.3 Punteggio precedente141
Indizi25 # Passi26
Versione generatoreversion 3.83, 14-Mar-2026
Soluzione241853679958276314763194258689341527517629483432785961895467132176932845324518796
FileD:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_20_03_2026_2026_03_20_09_02_47839037.json

Passi risolutivi (26)

Passo 1 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 7 in A8 changed to solution
Passo 2 Naked Singles valore: 2.6 categoria doc: Getting_Started
Last candidate 8 in A4 changed to solution
Passo 3 Naked Singles valore: 2.5 categoria doc: Getting_Started
Last candidate 3 in A6 changed to solution Last candidate 5 in J4 changed to solution
Passo 4 Naked Singles valore: 2.4 categoria doc: Getting_Started
Last candidate 7 in B5 changed to solution Last candidate 2 in J2 changed to solution Last candidate 8 in J6 changed to solution
Passo 5 Naked Singles valore: 2.1 categoria doc: Getting_Started
Last candidate 1 in C4 changed to solution Last candidate 4 in D5 changed to solution Last candidate 6 in J9 changed to solution
Passo 6 Naked Singles valore: 1.9 categoria doc: Getting_Started
Last candidate 6 in B6 changed to solution Last candidate 5 in C8 changed to solution Last candidate 3 in H5 changed to solution Last candidate 3 in J1 changed to solution
Passo 7 Hidden Singles valore: 3.1 categoria doc: Getting_Started
3 in E9 is last in row/box
4 in F1 is last in row/column/box
6 in E4 is last in column/box
7 in C1 is last in row/box
8 in B3 is last in row/column/box
Passo 8 Hidden Singles valore: 2.8 categoria doc: Getting_Started
3 in B7 is last in row
3 in C3 is last in column/box
Passo 9 Naked Singles valore: 1.3 categoria doc: Getting_Started
Last candidate 2 in C7 changed to solution
Passo 10 Naked Singles valore: 1.3 categoria doc: Getting_Started
Last candidate 9 in A9 changed to solution
Passo 11 Naked Singles valore: 1.2 categoria doc: Getting_Started
Last candidate 2 in A1 changed to solution
Passo 12 Hidden Singles valore: 2.3 categoria doc: Getting_Started
2 in E5 is last in row
2 in F3 is last in column/box
2 in G9 is last in row/column/box
Passo 13 Naked Singles valore: 1.1 categoria doc: Getting_Started
Last candidate 8 in F5 changed to solution
Passo 14 Hidden Singles valore: 2 categoria doc: Getting_Started
4 in G4 is last in row
8 in E8 is last in row/box
8 in H7 is last in column
Passo 15 Pointing Pairs valore: 26.4 categoria doc: Intersection_Removal
Pair: between Box 6 and Row D:
- 5 can be removed from D1
- 5 can be removed from D3
Passo 16 Line/Box Reduction valore: 34.1 categoria doc: Intersection_Removal
Pair: between Row F and Box 6:
- 1 can be removed from D7
- 1 can be removed from D9
Passo 17 Line/Box Reduction valore: 32.5 categoria doc: Intersection_Removal
Pair: between Col 3 and Box 7:
- 5 can be removed from G2
- 5 can be removed from H1
- 5 can be removed from H2
Passo 18 Unique Rectangle Type 1 valore: 31.4 categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 1/4 at H9 because of B9,B8,H8
Last candidate 5 in H9 changed to solution
Passo 19 Naked Singles valore: 0.7 categoria doc: Getting_Started
Last candidate 7 in D9 changed to solution Last candidate 1 in G7 changed to solution
Passo 20 Naked Singles valore: 0.6 categoria doc: Getting_Started
Last candidate 9 in F7 changed to solution Last candidate 1 in F9 changed to solution Last candidate 4 in H8 changed to solution
Passo 21 Naked Singles valore: 0.5 categoria doc: Getting_Started
Last candidate 1 in B8 changed to solution Last candidate 4 in B9 changed to solution Last candidate 5 in D7 changed to solution Last candidate 7 in F4 changed to solution
Passo 22 Naked Singles valore: 0.5 categoria doc: Getting_Started
Last candidate 9 in H4 changed to solution
Passo 23 Naked Singles valore: 0.4 categoria doc: Getting_Started
Last candidate 7 in G6 changed to solution Last candidate 6 in H3 changed to solution
Passo 24 Naked Singles valore: 0.3 categoria doc: Getting_Started
Last candidate 9 in D3 changed to solution Last candidate 9 in G2 changed to solution Last candidate 1 in H1 changed to solution
Passo 25 Naked Singles valore: 0.2 categoria doc: Getting_Started
Last candidate 5 in B2 changed to solution Last candidate 6 in D1 changed to solution Last candidate 1 in D6 changed to solution Last candidate 5 in E1 changed to solution Last candidate 5 in G3 changed to solution Last candidate 7 in H2 changed to solution
Passo 26 Naked Singles valore: 0 categoria doc: Getting_Started
Last candidate 9 in B1 changed to solution Last candidate 1 in E2 changed to solution Last candidate 9 in E6 changed to solution