Passi risolutivi (30)
Passo 1
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
2 in C2 is last in row
7 in E5 is last in row
7 in F2 is last in column/box
7 in H6 is last in column
7 in J8 is last in row
9 in A1 is last in row
9 in D7 is last in row/box
Passo 2
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
2 in D1 is last in row/box
7 in B7 is last in row/column/box
Passo 3
Hidden Pair
valore: 39.1
categoria doc: Hidden_Candidates
Hidden Pair 1/2 in Row G, on cells {G3|G8}
- removes 6/9 from G3
- removes 4 from G8
Passo 4
Hidden Pair
valore: 38.2
categoria doc: Hidden_Candidates
Hidden Pair 3/5 in Box 8, on cells {H5|J4}
- removes 4/9 from H5
- removes 9 from J4
Passo 5
Line/Box Reduction
valore: 74.3
categoria doc: Intersection_Removal
Pair: between Col 7 and Box 3:
- 1 can be removed from A8
- 1 can be removed from A9
- 1 can be removed from B8
- 1 can be removed from B9
Passo 6
Line/Box Reduction
valore: 72.6
categoria doc: Intersection_Removal
Triple: between Row C and Box 2:
- 5 can be removed from A6
- 5 can be removed from B4
- 5 can be removed from B5
Last candidate 3 in A6 changed to solution
Passo 7
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 6 in D6 changed to solution
Passo 8
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 4 in G6 changed to solution
Passo 9
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 5 in C6 changed to solution
Last candidate 9 in G5 changed to solution
Passo 10
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 8 in C4 changed to solution
Last candidate 6 in G4 changed to solution
Passo 11
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 9 in B4 changed to solution
Passo 12
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
6 in F8 is last in column/box
Passo 13
W-Wing
valore: 66.7
categoria doc: W_Wings
W-Wing (single). Either there is a 1 in A7 or in D2. They are connected through 8 in E7/D8, therefore
- 1 can be removed from A2
Passo 14
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
1 in A7 is last in row
Passo 15
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 4 in C7 changed to solution
Passo 16
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 1 in C5 changed to solution
Last candidate 3 in H7 changed to solution
Passo 17
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 4 in B5 changed to solution
Last candidate 8 in E7 changed to solution
Last candidate 5 in H5 changed to solution
Passo 18
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 6 in E1 changed to solution
Last candidate 3 in J4 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in E3 changed to solution
Last candidate 5 in F4 changed to solution
Last candidate 8 in H1 changed to solution
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 4 in E9 changed to solution
Passo 21
Hidden Singles
valore: 1.4
categoria doc: Getting_Started
4 in H8 is last in column/box
4 in J2 is last in row
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 6 in H2 changed to solution
Passo 23
Hidden Singles
valore: 1.1
categoria doc: Getting_Started
5 in J1 is last in row/box
6 in B3 is last in row/column/box
Passo 24
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in B1 changed to solution
Passo 25
Hidden Singles
valore: 0.9
categoria doc: Getting_Started
1 in D2 is last in column
8 in F3 is last in column
Passo 26
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 3 in D8 changed to solution
Last candidate 3 in F5 changed to solution
Passo 27
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 8 in B8 changed to solution
Last candidate 8 in D5 changed to solution
Last candidate 1 in F9 changed to solution
Passo 28
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 2 in A8 changed to solution
Last candidate 5 in B2 changed to solution
Last candidate 9 in J9 changed to solution
Passo 29
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 8 in A2 changed to solution
Last candidate 5 in A9 changed to solution
Last candidate 3 in B9 changed to solution
Last candidate 1 in G8 changed to solution
Last candidate 2 in H9 changed to solution
Last candidate 1 in J3 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in G3 changed to solution
Last candidate 9 in H3 changed to solution