Passi risolutivi (25)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in B8 changed to solution
Last candidate 3 in B9 changed to solution
Passo 2
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
1 in H9 is last in row
4 in D4 is last in column/box
6 in C9 is last in column/box
6 in D1 is last in row/box
6 in J2 is last in column
8 in E9 is last in column/box
9 in A4 is last in column
9 in G7 is last in row/column/box
Passo 3
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
4 in C7 is last in row/box
7 in E1 is last in column/box
8 in D5 is last in row/box
Passo 4
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
1 in B1 is last in column
Passo 5
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 2 in B6 changed to solution
Passo 6
Naked Pair
valore: 16.4
categoria doc: Naked_Candidates
Naked Pair 5/7 on cells {A7|A8} means
- 5 can be removed from A2
- 5 can be removed from A3
- 7 can be removed from A5
- 7 can be removed from A6
Passo 7
Naked Pair
valore: 15.7
categoria doc: Naked_Candidates
Naked Pair 3/8 on cells {A2|A3} means
- 3 can be removed from A5
- 8 can be removed from A6
- 3 can be removed from C1
- 3/8 can be removed from C3
Passo 8
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
3 in G1 is last in column
Passo 9
Naked Pair
valore: 14.4
categoria doc: Naked_Candidates
Naked Pair 5/7 on cells {A8|D8} means
- 5 can be removed from E8
- 5 can be removed from J8
Passo 10
Pointing Pairs
valore: 42.5
categoria doc: Intersection_Removal
Pair: between Box 5 and Col 5:
- 2 can be removed from G5
- 2 can be removed from J5
Passo 11
Pointing Pairs
valore: 41.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Row J:
- 2 can be removed from J3
- 2 can be removed from J4
Passo 12
Pointing Pairs
valore: 40.9
categoria doc: Intersection_Removal
Pair: between Box 7 and Col 3:
- 4 can be removed from E3
- 4 can be removed from F3
Passo 13
Pointing Pairs
valore: 40.4
categoria doc: Intersection_Removal
Pair: between Box 5 and Row F:
- 7 can be removed from F7
Passo 14
Line/Box Reduction
valore: 52.8
categoria doc: Intersection_Removal
Pair: between Row H and Box 7:
- 5 can be removed from G3
- 5 can be removed from J3
Passo 15
Unique Rectangle Type 1
valore: 51.7
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 5/7 at D7 because of A7,A8,D8
Last candidate 1 in D7 changed to solution
Passo 16
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 5 in D3 changed to solution
Passo 17
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 2 in C3 changed to solution
Last candidate 7 in D8 changed to solution
Passo 18
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in A8 changed to solution
Last candidate 5 in C1 changed to solution
Last candidate 4 in G3 changed to solution
Passo 19
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 7 in A7 changed to solution
Last candidate 5 in G9 changed to solution
Last candidate 2 in H1 changed to solution
Last candidate 8 in J3 changed to solution
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 3 in A3 changed to solution
Last candidate 4 in F9 changed to solution
Last candidate 5 in H2 changed to solution
Last candidate 8 in H4 changed to solution
Last candidate 3 in J4 changed to solution
Last candidate 2 in J7 changed to solution
Passo 21
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 8 in A2 changed to solution
Last candidate 7 in C4 changed to solution
Last candidate 2 in E8 changed to solution
Last candidate 3 in F2 changed to solution
Last candidate 9 in F3 changed to solution
Last candidate 4 in J8 changed to solution
Passo 22
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 3 in C5 changed to solution
Last candidate 8 in C6 changed to solution
Last candidate 4 in E2 changed to solution
Last candidate 1 in E3 changed to solution
Last candidate 5 in E5 changed to solution
Last candidate 5 in F7 changed to solution
Last candidate 2 in G4 changed to solution
Passo 23
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 9 in E6 changed to solution
Last candidate 3 in E7 changed to solution
Last candidate 7 in F6 changed to solution
Last candidate 1 in J5 changed to solution
Passo 24
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in A5 changed to solution
Last candidate 2 in F5 changed to solution
Last candidate 6 in G6 changed to solution
Last candidate 5 in J6 changed to solution
Passo 25
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in A6 changed to solution
Last candidate 7 in G5 changed to solution