Passi risolutivi (33)
Passo 1
Hidden Singles
valore: 5.9
categoria doc: Getting_Started
3 in F5 is last in row/box
9 in A1 is last in box
9 in D9 is last in row/column/box
Passo 2
Hidden Singles
valore: 5.5
categoria doc: Getting_Started
3 in C1 is last in column/box
Passo 3
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
6 in C2 is last in box
Passo 4
Naked Pair
valore: 25.2
categoria doc: Naked_Candidates
Naked Pair 2/8 on cells {B3|C3} means
- 2 can be removed from D3
- 2 can be removed from E3
- 2/8 can be removed from H3
Passo 5
Hidden Pair
valore: 49
categoria doc: Hidden_Candidates
Hidden Pair 1/4 in Col 7, on cells {E7|F7}
- removes 2/6/7 from E7
- removes 2/7 from F7
Passo 6
Naked Pair
valore: 24.2
categoria doc: Naked_Candidates
Naked Pair 1/4 on cells {E7|F7} means
- 4 can be removed from E9
- 4 can be removed from F9
Passo 7
Naked Pair
valore: 23.4
categoria doc: Naked_Candidates
Naked Pair 2/7 on cells {F8|F9} means
- 2 can be removed from D8
- 2/7 can be removed from E9
- 2/7 can be removed from F1
- 2 can be removed from F2
Passo 8
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
7 in E1 is last in row/column/box
Passo 9
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
6 in D1 is last in column/box
6 in E9 is last in row
Passo 10
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 5 in D8 changed to solution
Passo 11
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
2 in D2 is last in row/box
5 in E3 is last in row/box
6 in A8 is last in column
6 in H7 is last in box
6 in J6 is last in row
Passo 12
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 4 in H3 changed to solution
Passo 13
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 1 in D3 changed to solution
Passo 14
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 4 in D5 changed to solution
Last candidate 8 in F1 changed to solution
Passo 15
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 5 in A5 changed to solution
Last candidate 4 in F2 changed to solution
Last candidate 1 in J1 changed to solution
Passo 16
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 1 in F7 changed to solution
Last candidate 8 in H5 changed to solution
Passo 17
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 4 in E7 changed to solution
Last candidate 3 in H6 changed to solution
Passo 18
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in H4 changed to solution
Passo 19
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 2 in H1 changed to solution
Passo 20
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in G1 changed to solution
Passo 21
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
3 in G8 is last in column
5 in C9 is last in row/column/box
6 in B5 is last in row/column/box
Passo 22
Hidden Singles
valore: 1.8
categoria doc: Getting_Started
4 in A9 is last in column/box
Passo 23
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 2 in A6 changed to solution
Passo 24
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 3 in A4 changed to solution
Last candidate 1 in E6 changed to solution
Passo 25
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 2 in E4 changed to solution
Passo 26
Hidden Singles
valore: 1.2
categoria doc: Getting_Started
3 in B9 is last in row/column/box
Passo 27
Naked Pair
valore: 5.6
categoria doc: Naked_Candidates
Naked Pair 7/9 on cells {B4|J4} means
- 7 can be removed from C4
- 7/9 can be removed from G4
Passo 28
Bi-value Universal Grave
valore: 32.2
categoria doc: BUG
BUG+1 found in G9, 7 must be the solution
All other incomplete cells contain two candidates apart from G9. Other candidates in G9 would lead to zero, two or more solutions so they can be removed.
Last candidate 7 in G9 changed to solution
Passo 29
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 2 in F9 changed to solution
Last candidate 1 in G5 changed to solution
Last candidate 2 in G7 changed to solution
Last candidate 8 in J9 changed to solution
Passo 30
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 7 in C5 changed to solution
Last candidate 7 in F8 changed to solution
Last candidate 4 in G4 changed to solution
Last candidate 9 in J2 changed to solution
Passo 31
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in B4 changed to solution
Last candidate 1 in C4 changed to solution
Last candidate 2 in C8 changed to solution
Last candidate 8 in G2 changed to solution
Last candidate 9 in G6 changed to solution
Last candidate 7 in J4 changed to solution
Passo 32
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in B6 changed to solution
Last candidate 8 in C3 changed to solution
Passo 33
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in B3 changed to solution
Last candidate 4 in C6 changed to solution