Passi risolutivi (28)
Passo 1
Hidden Singles
valore: 6.1
categoria doc: Getting_Started
4 in C6 is last in row/box
4 in G4 is last in column
6 in H4 is last in row/box
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 9 in J6 changed to solution
Passo 3
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 5 in J5 changed to solution
Passo 4
Naked Singles
valore: 2.6
categoria doc: Getting_Started
Last candidate 3 in G5 changed to solution
Passo 5
Naked Singles
valore: 2.6
categoria doc: Getting_Started
Last candidate 2 in H6 changed to solution
Passo 6
Hidden Singles
valore: 5
categoria doc: Getting_Started
4 in J8 is last in row/box
6 in E3 is last in row
Passo 7
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
2 in D3 is last in column/box
6 in B2 is last in row/column/box
Passo 8
Naked Pair
valore: 22.1
categoria doc: Naked_Candidates
Naked Pair 1/8 on cells {J1|J3} means
- 8 can be removed from G2
- 8 can be removed from G3
- 1 can be removed from H1
Last candidate 7 in G3 changed to solution
Passo 9
Hidden Pair
valore: 41.3
categoria doc: Hidden_Candidates
Hidden Pair 1/7 in Row H, on cells {H7|H9}
- removes 5/9 from H7
- removes 5/9 from H9
Passo 10
Line/Unit Reduction
valore: 80.9
categoria doc: Intersection_Removal
Line/Box Reduction: 3s in box 1 remove the following in the same box:
- 3 can be removed from A2
- 3 can be removed from B1
- 3 can be removed from C2
Passo 11
Hidden Singles
valore: 4
categoria doc: Getting_Started
3 in A4 is last in row
Passo 12
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 7 in B6 changed to solution
Passo 13
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 2 in A5 changed to solution
Last candidate 8 in D6 changed to solution
Passo 14
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 3 in F6 changed to solution
Passo 15
Hidden Singles
valore: 3
categoria doc: Getting_Started
2 in B8 is last in row/box
3 in E1 is last in row/box
3 in H2 is last in column
5 in B4 is last in column/box
Passo 16
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
3 in B3 is last in row
3 in C8 is last in column/box
5 in H1 is last in column
Passo 17
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in C3 changed to solution
Last candidate 9 in G2 changed to solution
Last candidate 9 in H8 changed to solution
Passo 18
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in B1 changed to solution
Last candidate 9 in C5 changed to solution
Last candidate 8 in J3 changed to solution
Passo 19
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 1 in B5 changed to solution
Last candidate 9 in B9 changed to solution
Last candidate 1 in J1 changed to solution
Passo 20
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in E9 changed to solution
Passo 21
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 6 in F8 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 5 in D8 changed to solution
Last candidate 7 in F5 changed to solution
Passo 23
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 6 in D5 changed to solution
Last candidate 9 in F1 changed to solution
Last candidate 8 in G8 changed to solution
Passo 24
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 7 in D1 changed to solution
Last candidate 5 in G7 changed to solution
Passo 25
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 7 in C7 changed to solution
Last candidate 4 in D2 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 8 in A7 changed to solution
Last candidate 5 in A9 changed to solution
Last candidate 5 in C2 changed to solution
Last candidate 1 in D9 changed to solution
Last candidate 8 in F2 changed to solution
Last candidate 1 in H7 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 7 in A2 changed to solution
Last candidate 9 in D4 changed to solution
Last candidate 2 in F7 changed to solution
Last candidate 4 in F9 changed to solution
Last candidate 7 in H9 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in E4 changed to solution
Last candidate 9 in E7 changed to solution
Last candidate 1 in F4 changed to solution