Passi risolutivi (30)
Passo 1
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 6 in E9 changed to solution
Last candidate 2 in G8 changed to solution
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 8 in F8 changed to solution
Passo 3
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 4 in C8 changed to solution
Last candidate 1 in E7 changed to solution
Last candidate 3 in F4 changed to solution
Passo 4
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 6 in B8 changed to solution
Passo 5
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 7 in H8 changed to solution
Passo 6
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 9 in H4 changed to solution
Passo 7
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
4 in B5 is last in row/box
4 in D4 is last in column
5 in F9 is last in row
7 in E5 is last in row/box
9 in G2 is last in column/box
Passo 8
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 2 in D9 changed to solution
Passo 9
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
2 in F1 is last in row/box
Passo 10
Naked Pair
valore: 17.1
categoria doc: Naked_Candidates
Naked Pair 2/5 on cells {B2|C2} means
- 2 can be removed from A3
- 2/5 can be removed from B3
- 2/5 can be removed from C3
- 5 can be removed from D2
- 2 can be removed from H2
Passo 11
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
5 in B2 is last in row
5 in D3 is last in row/column/box
Passo 12
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in C2 changed to solution
Passo 13
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
6 in D2 is last in box
Passo 14
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 1 in H2 changed to solution
Passo 15
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 3 in G3 changed to solution
Passo 16
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 8 in B3 changed to solution
Last candidate 5 in G7 changed to solution
Last candidate 4 in J1 changed to solution
Passo 17
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 7 in C3 changed to solution
Last candidate 8 in E1 changed to solution
Last candidate 4 in E3 changed to solution
Passo 18
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in A3 changed to solution
Last candidate 1 in D1 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in A1 changed to solution
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 9 in A9 changed to solution
Passo 21
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 3 in J9 changed to solution
Passo 22
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 6 in H7 changed to solution
Passo 23
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 2 in H3 changed to solution
Last candidate 9 in J7 changed to solution
Passo 24
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in H5 changed to solution
Last candidate 6 in J3 changed to solution
Passo 25
Line/Unit Reduction
valore: 21.5
categoria doc: Intersection_Removal
Line/Box Reduction: 8s in box 2 remove the following in the same box:
- 8 can be removed from A5
- 8 can be removed from A6
- 8 can be removed from C5
- 8 can be removed from C6
Passo 26
Bi-value Universal Grave
valore: 30.5
categoria doc: BUG
BUG+1 found in A6, 2 must be the solution
All other incomplete cells contain two candidates apart from A6. Other candidates in A6 would lead to zero, two or more solutions so they can be removed.
Last candidate 2 in A6 changed to solution
Passo 27
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 6 in A5 changed to solution
Last candidate 8 in A7 changed to solution
Last candidate 3 in B6 changed to solution
Last candidate 7 in J6 changed to solution
Passo 28
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 7 in A4 changed to solution
Last candidate 2 in B7 changed to solution
Last candidate 9 in C6 changed to solution
Last candidate 3 in C7 changed to solution
Last candidate 1 in F5 changed to solution
Last candidate 5 in J4 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in C4 changed to solution
Last candidate 5 in C5 changed to solution
Last candidate 8 in D6 changed to solution
Last candidate 6 in F6 changed to solution
Last candidate 8 in G5 changed to solution
Last candidate 2 in J5 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in D5 changed to solution
Last candidate 1 in G6 changed to solution