Passi risolutivi (28)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Passo 2
Hidden Singles
valore: 5.4
categoria doc: Getting_Started
2 in C3 is last in column/box
5 in A1 is last in row/box
5 in D4 is last in column/box
5 in F7 is last in row
5 in G3 is last in column
6 in F3 is last in box
Passo 3
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
2 in G7 is last in column
3 in B3 is last in column
3 in G1 is last in row/box
5 in J8 is last in row/column/box
Passo 4
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 4 in B8 changed to solution
Passo 5
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 9 in B2 changed to solution
Passo 6
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
2 in J6 is last in row/column/box
6 in C7 is last in column
Passo 7
Hidden Pair
valore: 36
categoria doc: Hidden_Candidates
Hidden Pair 2/3 in Row E, on cells {E8|E9}
- removes 7/8 from E8
- removes 7/8 from E9
Passo 8
Pointing Pairs
valore: 53.6
categoria doc: Intersection_Removal
Pair: between Box 5 and Col 5:
- 1 can be removed from J5
Passo 9
Pointing Pairs
valore: 53.2
categoria doc: Intersection_Removal
Triple: between Box 4 and Col 1:
- 7 can be removed from C1
Passo 10
Pointing Pairs
valore: 52.4
categoria doc: Intersection_Removal
Pair: between Box 6 and Col 9:
- 7 can be removed from G9
- 7 can be removed from H9
Passo 11
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
7 in H8 is last in row
Passo 12
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 1 in G8 changed to solution
Passo 13
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 8 in H7 changed to solution
Passo 14
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 1 in D7 changed to solution
Passo 15
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
1 in F5 is last in row/column/box
1 in H2 is last in row
1 in J4 is last in column/box
8 in C8 is last in column
8 in J2 is last in column
Passo 16
Hidden Singles
valore: 2.2
categoria doc: Getting_Started
1 in A9 is last in row
1 in C1 is last in column/box
6 in G2 is last in column/box
6 in J9 is last in row
Passo 17
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 3 in C9 changed to solution
Passo 18
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in A8 changed to solution
Last candidate 2 in E9 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in E8 changed to solution
Passo 20
Hidden Singles
valore: 1.8
categoria doc: Getting_Started
3 in A4 is last in row/column/box
Passo 21
W-Wing
valore: 42
categoria doc: W_Wings
W-Wing (double) (a.k.a.Remote Pair Chain).
Either 4 is in D3 and 9 is in J5 or vice versa. They are connected through mutual pairs of 4/9 in H3/J1, therefore
- 4/9 can be removed from D5
Last candidate 7 in D5 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 8 in D9 changed to solution
Last candidate 9 in E4 changed to solution
Passo 23
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 6 in E5 changed to solution
Last candidate 7 in F9 changed to solution
Passo 24
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 4 in A5 changed to solution
Last candidate 8 in E6 changed to solution
Passo 25
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in A2 changed to solution
Last candidate 7 in C4 changed to solution
Last candidate 7 in E1 changed to solution
Last candidate 4 in F6 changed to solution
Last candidate 9 in J5 changed to solution
Passo 26
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in A6 changed to solution
Last candidate 4 in C2 changed to solution
Last candidate 9 in C6 changed to solution
Last candidate 8 in F1 changed to solution
Last candidate 4 in G4 changed to solution
Last candidate 7 in G6 changed to solution
Last candidate 4 in J1 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in D1 changed to solution
Last candidate 9 in G9 changed to solution
Last candidate 9 in H3 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in D3 changed to solution
Last candidate 4 in H9 changed to solution