Passi risolutivi (31)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in A6 changed to solution
Last candidate 9 in F6 changed to solution
Passo 2
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
1 in E5 is last in row/box
2 in F8 is last in row/box
7 in A9 is last in row/box
8 in J5 is last in column/box
9 in H5 is last in column/box
Passo 3
Hidden Singles
valore: 4.3
categoria doc: Getting_Started
2 in A5 is last in column
8 in F2 is last in row
Passo 4
Hidden Pair
valore: 40.2
categoria doc: Hidden_Candidates
Hidden Pair 2/4 in Row C, on cells {C2|C3}
- removes 3 from C2
- removes 6 from C3
Passo 5
Naked Pair
valore: 19.9
categoria doc: Naked_Candidates
Naked Pair 2/4 on cells {C2|C3} means
- 4 can be removed from B2
Passo 6
Hidden Pair
valore: 38.8
categoria doc: Hidden_Candidates
Hidden Pair 5/9 in Col 9, on cells {B9|E9}
- removes 6/8 from B9
- removes 4/6 from E9
Passo 7
Hidden Singles
valore: 3.8
categoria doc: Getting_Started
4 in E7 is last in row
Passo 8
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 1 in J7 changed to solution
Passo 9
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
1 in C8 is last in row
1 in G1 is last in row
Passo 10
Pointing Pairs
valore: 48.3
categoria doc: Intersection_Removal
Pair: between Box 3 and Row B:
- 5 can be removed from B1
- 5 can be removed from B2
Passo 11
Pointing Pairs
valore: 47.9
categoria doc: Intersection_Removal
Pair: between Box 5 and Row D:
- 7 can be removed from D2
Passo 12
Line/Box Reduction
valore: 62.7
categoria doc: Intersection_Removal
Pair: between Col 2 and Box 3:
- 5 can be removed from E1
- 5 can be removed from F3
Last candidate 6 in F3 changed to solution
Passo 13
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 3 in F5 changed to solution
Passo 14
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 5 in F4 changed to solution
Passo 15
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
6 in E8 is last in row
Passo 16
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
6 in H9 is last in row/box
Passo 17
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 8 in C9 changed to solution
Passo 18
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 2 in G9 changed to solution
Passo 19
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 9 in G3 changed to solution
Last candidate 4 in J9 changed to solution
Passo 20
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in A3 changed to solution
Passo 21
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 2 in J3 changed to solution
Passo 22
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in C3 changed to solution
Last candidate 7 in J4 changed to solution
Passo 23
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in C2 changed to solution
Last candidate 6 in D4 changed to solution
Last candidate 1 in H6 changed to solution
Last candidate 5 in J1 changed to solution
Passo 24
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 3 in A4 changed to solution
Last candidate 4 in B6 changed to solution
Last candidate 4 in D5 changed to solution
Last candidate 2 in H4 changed to solution
Passo 25
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 1 in B4 changed to solution
Last candidate 6 in B5 changed to solution
Last candidate 7 in D6 changed to solution
Passo 26
Hidden Singles
valore: 1.1
categoria doc: Getting_Started
4 in H2 is last in row/column/box
8 in B1 is last in row/column/box
Passo 27
W-Wing
valore: 25.4
categoria doc: W_Wings
W-Wing (single). Either there is a 9 in B9 or in D2. They are connected through 5 in B8/D8, therefore
- 9 can be removed from B2
Last candidate 3 in B2 changed to solution
Passo 28
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 5 in B8 changed to solution
Last candidate 6 in C1 changed to solution
Last candidate 7 in G2 changed to solution
Passo 29
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 9 in A1 changed to solution
Last candidate 9 in B9 changed to solution
Last candidate 3 in C7 changed to solution
Last candidate 8 in D8 changed to solution
Last candidate 3 in H1 changed to solution
Passo 30
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 6 in A7 changed to solution
Last candidate 9 in D7 changed to solution
Last candidate 7 in E1 changed to solution
Last candidate 5 in E9 changed to solution
Last candidate 8 in G7 changed to solution
Last candidate 3 in G8 changed to solution
Last candidate 7 in H8 changed to solution
Passo 31
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in D2 changed to solution
Last candidate 9 in E2 changed to solution