Passi risolutivi (15)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in D5 changed to solution
Last candidate 8 in D6 changed to solution
Passo 2
Hidden Singles
valore: 5.1
categoria doc: Getting_Started
1 in B1 is last in column
2 in F4 is last in column/box
2 in G2 is last in row/box
8 in F9 is last in column
8 in J8 is last in row/box
9 in E8 is last in row/box
Passo 3
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
2 in A8 is last in row
2 in E9 is last in column
6 in E5 is last in row
6 in H2 is last in column/box
8 in A7 is last in column/box
8 in C2 is last in row
9 in H7 is last in row
Passo 4
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 4 in E1 changed to solution
Last candidate 7 in E2 changed to solution
Last candidate 5 in H1 changed to solution
Last candidate 2 in C1 changed to solution
Passo 5
Hidden Singles
valore: 2.9
categoria doc: Getting_Started
1 in H8 is last in box
2 in D3 is last in row/column/box
9 in B2 is last in column/box
Passo 6
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
4 in G8 is last in column/box
Passo 7
Naked Pair
valore: 12.4
categoria doc: Naked_Candidates
Naked Pair 4/5 on cells {A2|A6} means
- 4 can be removed from A4
- 5 can be removed from A5
Passo 8
Naked Pair
valore: 12.1
categoria doc: Naked_Candidates
Naked Pair 1/7 on cells {A4|A5} means
- 7 can be removed from C4
- 7 can be removed from C5
Passo 9
Pointing Pairs
valore: 35.9
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 9:
- 3 can be removed from B9
Passo 10
Pointing Pairs
valore: 35.5
categoria doc: Intersection_Removal
Pair: between Box 2 and Col 6:
- 4 can be removed from J6
Passo 11
Pointing Pairs
valore: 34.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Row G:
- 5 can be removed from G5
- 5 can be removed from G6
Passo 12
Y-Wing
valore: 91.3
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: J2 (3/4), wings A2 J6, therefore
- 5 can be removed from A6
Last candidate 4 in A6 changed to solution
Passo 13
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 5 in A2 changed to solution
Last candidate 7 in C3 changed to solution
Last candidate 1 in D2 changed to solution
Last candidate 3 in F2 changed to solution
Last candidate 5 in F3 changed to solution
Last candidate 6 in F8 changed to solution
Last candidate 4 in J2 changed to solution
Last candidate 4 in B3 changed to solution
Last candidate 1 in F7 changed to solution
Last candidate 3 in H3 changed to solution
Last candidate 7 in H9 changed to solution
Passo 14
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 5 in B9 changed to solution
Last candidate 3 in C8 changed to solution
Last candidate 5 in G7 changed to solution
Last candidate 3 in G9 changed to solution
Last candidate 4 in H4 changed to solution
Last candidate 7 in B8 changed to solution
Last candidate 6 in C4 changed to solution
Last candidate 7 in D7 changed to solution
Last candidate 5 in D8 changed to solution
Last candidate 7 in G4 changed to solution
Last candidate 9 in G5 changed to solution
Last candidate 6 in G6 changed to solution
Passo 15
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in A4 changed to solution
Last candidate 7 in A5 changed to solution
Last candidate 3 in B6 changed to solution
Last candidate 6 in B7 changed to solution
Last candidate 5 in C5 changed to solution
Last candidate 9 in C6 changed to solution
Last candidate 3 in J4 changed to solution
Last candidate 1 in J5 changed to solution
Last candidate 5 in J6 changed to solution