Passi risolutivi (14)
Passo 1
Naked Singles
valore: 5
categoria doc: Getting_Started
Last candidate 8 in D7 changed to solution
Last candidate 7 in D8 changed to solution
Last candidate 5 in E8 changed to solution
Last candidate 1 in E9 changed to solution
Last candidate 9 in F5 changed to solution
Last candidate 2 in F7 changed to solution
Last candidate 4 in D5 changed to solution
Last candidate 3 in D6 changed to solution
Last candidate 8 in E5 changed to solution
Last candidate 6 in E6 changed to solution
Last candidate 6 in F3 changed to solution
Passo 2
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 9 in D3 changed to solution
Last candidate 7 in E4 changed to solution
Last candidate 7 in F2 changed to solution
Last candidate 4 in E2 changed to solution
Passo 3
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 3 in E1 changed to solution
Passo 4
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
2 in H6 is last in column/box
3 in B4 is last in column/box
6 in A1 is last in row
7 in C1 is last in row/column/box
7 in H9 is last in row/column/box
8 in J9 is last in row
Passo 5
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
2 in B1 is last in column/box
Passo 6
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
4 in B3 is last in row/box
Passo 7
Naked Pair
valore: 11.6
categoria doc: Naked_Candidates
Naked Pair 5/9 on cells {A9|B9} means
- 5 can be removed from B7
- 9 can be removed from B8
- 5 can be removed from C7
- 9 can be removed from C8
- 5/9 can be removed from C9
- 5/9 can be removed from G9
Passo 8
Pointing Pairs
valore: 33.8
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 3:
- 5 can be removed from G3
- 5 can be removed from H3
Passo 9
Pointing Pairs
valore: 33
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 2:
- 9 can be removed from G2
- 9 can be removed from H2
Passo 10
Y-Wing
valore: 85.8
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: A4 (1/9), wings A9 B5, therefore
- 5 can be removed from A6
- 5 can be removed from B9
Last candidate 9 in B9 changed to solution
Passo 11
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in A9 changed to solution
Passo 12
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
5 in B5 is last in row
5 in C3 is last in column/box
9 in C2 is last in column/box
Passo 13
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 9 in A6 changed to solution
Last candidate 1 in C7 changed to solution
Last candidate 6 in H2 changed to solution
Last candidate 3 in H3 changed to solution
Last candidate 9 in H8 changed to solution
Last candidate 5 in J6 changed to solution
Last candidate 1 in A4 changed to solution
Last candidate 6 in B7 changed to solution
Last candidate 8 in B8 changed to solution
Last candidate 6 in G8 changed to solution
Last candidate 4 in J7 changed to solution
Passo 14
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in A3 changed to solution
Last candidate 1 in B2 changed to solution
Last candidate 8 in G2 changed to solution
Last candidate 1 in G3 changed to solution
Last candidate 9 in G4 changed to solution
Last candidate 5 in H7 changed to solution
Last candidate 9 in J1 changed to solution
Last candidate 6 in J4 changed to solution
Last candidate 5 in G1 changed to solution
Last candidate 3 in G7 changed to solution
Last candidate 4 in H1 changed to solution