PDF :::: Sudoku Solve Path

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Sudoku Solve Path

Grado	disallowed as strategies excluded	Livello	4 (precedente: 2)
Punteggio finale	6.6	Punteggio precedente	44
Indizi	27	# Passi	11
Versione generatore	version 4.01, 26-May-2026
Soluzione	971652843543819762628437915864723159739561284215984376457298631396175428182346597
File	D:\inetpub\webs\ruggeriinfo\public\sudoku\json\L3_19_05_2026_2026_05_27_14_38_50391385.json

Passi risolutivi (11)

Passo 1 Naked Singles valore: 2 categoria doc: Getting_Started

Last candidate 4 in B2 changed to solution Last candidate 2 in H8 changed to solution Last candidate 7 in A2 changed to solution Last candidate 1 in A3 changed to solution

Passo 2 Hidden Singles valore: 4.6 categoria doc: Getting_Started

1 in G9 is last in row
1 in J1 is last in column/box
5 in J7 is last in column/box

Passo 3 Naked Singles valore: 1.9 categoria doc: Getting_Started

Last candidate 2 in B9 changed to solution Last candidate 2 in J3 changed to solution Last candidate 8 in B4 changed to solution Last candidate 1 in B5 changed to solution

Passo 4 Hidden Singles valore: 3.4 categoria doc: Getting_Started

2 in F1 is last in column/box

Passo 5 Hidden Pair valore: 31.1 categoria doc: Hidden_Candidates

Hidden Pair 1/8 in Row E, on cells {E6|E8}
- removes 3/4/5/7 from E6
- removes 4 from E8

Passo 6 Pointing Pairs valore: 45.8 categoria doc: Intersection_Removal

Pair: between Box 4 and Row E:
- 3 can be removed from E4
- 3 can be removed from E9
Last candidate 4 in E9 changed to solution

Passo 7 Pointing Pairs valore: 43.3 categoria doc: Intersection_Removal

Pair: between Box 7 and Row G:
- 5 can be removed from G4
- 5 can be removed from G6

Passo 8 Rectangle Elimination valore: 71.5 categoria doc: Rectangle_Elimination

If +7[D3] then -7[D5] forcing +7[H5] which removes all 7s from box 7, so D3 cannot be 7
Last candidate 4 in D3 changed to solution Last candidate 5 in F3 changed to solution Last candidate 7 in G3 changed to solution Last candidate 2 in G4 changed to solution Last candidate 8 in G6 changed to solution Last candidate 3 in H1 changed to solution Last candidate 8 in J2 changed to solution Last candidate 4 in J5 changed to solution

Passo 9 Naked Singles valore: 0.8 categoria doc: Getting_Started

Last candidate 7 in E1 changed to solution Last candidate 3 in E2 changed to solution Last candidate 5 in E4 changed to solution Last candidate 1 in E6 changed to solution Last candidate 8 in E8 changed to solution Last candidate 8 in F5 changed to solution Last candidate 5 in G2 changed to solution Last candidate 4 in A8 changed to solution Last candidate 1 in C8 changed to solution

Passo 10 Naked Singles valore: 0.4 categoria doc: Getting_Started

Last candidate 6 in A4 changed to solution Last candidate 9 in C7 changed to solution Last candidate 3 in F7 changed to solution Last candidate 3 in J4 changed to solution Last candidate 6 in J6 changed to solution Last candidate 9 in A1 changed to solution Last candidate 8 in A7 changed to solution Last candidate 3 in A9 changed to solution Last candidate 6 in C1 changed to solution Last candidate 1 in D7 changed to solution Last candidate 9 in D9 changed to solution Last candidate 4 in F6 changed to solution

Passo 11 Naked Singles valore: 0.1 categoria doc: Getting_Started

Last candidate 7 in C6 changed to solution Last candidate 7 in D4 changed to solution Last candidate 2 in D5 changed to solution Last candidate 3 in D6 changed to solution Last candidate 9 in F4 changed to solution Last candidate 5 in H6 changed to solution Last candidate 5 in A5 changed to solution Last candidate 2 in A6 changed to solution Last candidate 4 in C4 changed to solution Last candidate 7 in H5 changed to solution