Passi risolutivi (21)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in A4 changed to solution
Passo 2
Hidden Singles
valore: 4.7
categoria doc: Getting_Started
1 in A9 is last in row/box
1 in G2 is last in column/box
1 in H5 is last in row
2 in J1 is last in row/box
6 in J8 is last in column
8 in G8 is last in column/box
8 in H4 is last in row
Passo 3
Hidden Singles
valore: 4
categoria doc: Getting_Started
4 in G4 is last in box
4 in H9 is last in row
6 in B9 is last in column/box
Passo 4
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
3 in C4 is last in column
3 in J5 is last in box
Passo 5
Naked Pair
valore: 17.2
categoria doc: Naked_Candidates
Naked Pair 6/7 on cells {D4|E4} means
- 7 can be removed from D5
- 7 can be removed from E6
- 7 can be removed from F5
- 7 can be removed from F6
Passo 6
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
7 in B5 is last in column
Passo 7
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
5 in A5 is last in column
Passo 8
Hidden Singles
valore: 2.9
categoria doc: Getting_Started
8 in C1 is last in row/column/box
Passo 9
Naked Pair
valore: 13.6
categoria doc: Naked_Candidates
Naked Pair 3/5 on cells {B1|G1} means
- 3/5 can be removed from E1
- 3 can be removed from F1
- 3/5 can be removed from H1
Last candidate 9 in H1 changed to solution
Passo 10
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in A1 changed to solution
Last candidate 9 in A2 changed to solution
Passo 11
Pointing Pairs
valore: 35.1
categoria doc: Intersection_Removal
Pair: between Box 6 and Row E:
- 3 can be removed from E2
- 3 can be removed from E3
Passo 12
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
3 in F2 is last in column
Passo 13
Pointing Pairs
valore: 32.6
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 9:
- 7 can be removed from C9
- 7 can be removed from D9
- 7 can be removed from E9
Passo 14
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
7 in C8 is last in row/box
Passo 15
Hidden Singles
valore: 2
categoria doc: Getting_Started
7 in F1 is last in row
Passo 16
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in E1 changed to solution
Passo 17
Line/Unit Reduction
valore: 35.8
categoria doc: Intersection_Removal
Line/Box Reduction: 5s in box 6 remove the following in the same box:
- 5 can be removed from D7
- 5 can be removed from D9
- 5 can be removed from E7
- 5 can be removed from E9
Passo 18
Unique Rectangle Type 1
valore: 34.7
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 5/7 at G9 because of G6,J6,J9
Last candidate 3 in G9 changed to solution
Last candidate 5 in H7 changed to solution
Last candidate 7 in J9 changed to solution
Passo 19
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 2 in B7 changed to solution
Last candidate 5 in C9 changed to solution
Last candidate 7 in D7 changed to solution
Last candidate 3 in E7 changed to solution
Last candidate 5 in G1 changed to solution
Last candidate 7 in G6 changed to solution
Last candidate 3 in H3 changed to solution
Last candidate 5 in J6 changed to solution
Last candidate 3 in B1 changed to solution
Last candidate 5 in B3 changed to solution
Last candidate 2 in C2 changed to solution
Last candidate 6 in D4 changed to solution
Last candidate 7 in E4 changed to solution
Passo 20
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 5 in D2 changed to solution
Last candidate 4 in D8 changed to solution
Last candidate 6 in E2 changed to solution
Last candidate 1 in F8 changed to solution
Last candidate 9 in D5 changed to solution
Last candidate 2 in D9 changed to solution
Last candidate 5 in E8 changed to solution
Last candidate 9 in E9 changed to solution
Last candidate 4 in F5 changed to solution
Last candidate 2 in F6 changed to solution
Passo 21
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in E3 changed to solution
Last candidate 1 in E6 changed to solution
Last candidate 9 in F3 changed to solution