Passi risolutivi (31)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in F3 changed to solution
Passo 2
Hidden Singles
valore: 5.8
categoria doc: Getting_Started
4 in E7 is last in box
7 in E3 is last in box
Passo 3
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 3 in H3 changed to solution
Passo 4
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
2 in G3 is last in column
Passo 5
Hidden Singles
valore: 5
categoria doc: Getting_Started
2 in B1 is last in column
2 in J7 is last in row/box
6 in J2 is last in box
Passo 6
Naked Pair
valore: 23.2
categoria doc: Naked_Candidates
Naked Pair 5/8 on cells {D9|H9} means
- 8 can be removed from B9
- 8 can be removed from C9
- 5/8 can be removed from G9
Last candidate 3 in G9 changed to solution
Passo 7
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
3 in B8 is last in column/box
Passo 8
Naked Pair
valore: 21.5
categoria doc: Naked_Candidates
Naked Pair 4/6 on cells {B9|C9} means
- 6 can be removed from A8
Passo 9
Naked Pair
valore: 20.2
categoria doc: Naked_Candidates
Naked Pair 5/8 on cells {F1|F2} means
- 5/8 can be removed from D2
- 5/8 can be removed from E2
- 5/8 can be removed from F4
- 5/8 can be removed from F5
- 8 can be removed from F8
Passo 10
Hidden Pair
valore: 38.5
categoria doc: Hidden_Candidates
Hidden Pair 3/7 in Box 2, on cells {C5|C6}
- removes 1/4/6/8 from C5
- removes 1/6/8 from C6
Passo 11
Pointing Pairs
valore: 56.9
categoria doc: Intersection_Removal
Pair: between Box 6 and Row D:
- 5 can be removed from D5
- 5 can be removed from D6
Passo 12
Line/Box Reduction
valore: 75.4
categoria doc: Intersection_Removal
Pair: between Row A and Box 2:
- 4 can be removed from B4
Passo 13
Line/Box Reduction
valore: 73.2
categoria doc: Intersection_Removal
Triple: between Row J and Box 8:
- 5 can be removed from G4
- 5 can be removed from G5
- 5 can be removed from H4
- 5 can be removed from H6
Passo 14
Line/Box Reduction
valore: 71
categoria doc: Intersection_Removal
Triple: between Col 4 and Box 8:
- 7 can be removed from G5
- 7 can be removed from H6
- 7 can be removed from J5
- 7 can be removed from J6
Passo 15
Hidden Singles
valore: 3.5
categoria doc: Getting_Started
7 in J4 is last in row
Passo 16
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
3 in E4 is last in column
Passo 17
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in E2 changed to solution
Passo 18
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 3 in D2 changed to solution
Passo 19
Hidden Singles
valore: 2.9
categoria doc: Getting_Started
2 in D8 is last in row/column/box
5 in A4 is last in column
Passo 20
Hidden Singles
valore: 2.7
categoria doc: Getting_Started
4 in A5 is last in row/box
4 in F4 is last in column
Passo 21
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in F5 changed to solution
Passo 22
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 9 in F8 changed to solution
Passo 23
Hidden Singles
valore: 2.2
categoria doc: Getting_Started
1 in G5 is last in column
6 in E8 is last in row/column/box
6 in G4 is last in row/box
9 in D6 is last in row/box
9 in H4 is last in column
Passo 24
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 8 in B4 changed to solution
Last candidate 8 in H6 changed to solution
Passo 25
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in E6 changed to solution
Last candidate 5 in H9 changed to solution
Passo 26
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in D9 changed to solution
Last candidate 8 in E5 changed to solution
Last candidate 8 in G7 changed to solution
Last candidate 4 in H2 changed to solution
Last candidate 3 in J6 changed to solution
Passo 27
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in B2 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 7 in D5 changed to solution
Last candidate 5 in D7 changed to solution
Last candidate 7 in G8 changed to solution
Last candidate 7 in H1 changed to solution
Last candidate 5 in J5 changed to solution
Passo 28
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 6 in B6 changed to solution
Last candidate 8 in C2 changed to solution
Last candidate 3 in C5 changed to solution
Last candidate 5 in G1 changed to solution
Last candidate 1 in H8 changed to solution
Passo 29
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in A6 changed to solution
Last candidate 8 in A8 changed to solution
Last candidate 4 in B9 changed to solution
Last candidate 4 in C1 changed to solution
Last candidate 8 in F1 changed to solution
Last candidate 5 in F2 changed to solution
Passo 30
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in A7 changed to solution
Last candidate 6 in C9 changed to solution
Passo 31
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in A3 changed to solution
Last candidate 9 in C3 changed to solution
Last candidate 1 in C7 changed to solution