Passi risolutivi (24)
Passo 1
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
1 in C8 is last in column
1 in H2 is last in column
2 in F1 is last in box
Passo 2
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
1 in A5 is last in row/box
1 in D4 is last in column
4 in B8 is last in column
Passo 3
Hidden Singles
valore: 4.3
categoria doc: Getting_Started
8 in D5 is last in row/box
Passo 4
Naked Pair
valore: 20.6
categoria doc: Naked_Candidates
Naked Pair 3/4 on cells {A1|E1} means
- 4 can be removed from G1
- 4 can be removed from J1
Passo 5
Naked Pair
valore: 20.1
categoria doc: Naked_Candidates
Naked Pair 2/8 on cells {A7|A9} means
- 2 can be removed from A2
- 2/8 can be removed from B7
- 2 can be removed from C9
Passo 6
Naked Pair
valore: 19.8
categoria doc: Naked_Candidates
Naked Pair 4/9 on cells {A2|G2} means
- 4/9 can be removed from C2
Passo 7
Naked Pair
valore: 19.5
categoria doc: Naked_Candidates
Naked Pair 2/5 on cells {B2|C2} means
- 5 can be removed from B3
- 5 can be removed from C3
Passo 8
Naked Pair
valore: 19.1
categoria doc: Naked_Candidates
Naked Pair 6/8 on cells {B6|H6} means
- 6 can be removed from C6
- 6/8 can be removed from G6
Passo 9
Naked Pair
valore: 18.6
categoria doc: Naked_Candidates
Naked Pair 6/7 on cells {G1|J1} means
- 6/7 can be removed from H3
- 6/7 can be removed from J3
Passo 10
Hidden Pair
valore: 36.3
categoria doc: Hidden_Candidates
Hidden Pair 6/7 in Box 1, on cells {B3|C3}
- removes 3 from B3
- removes 4/9 from C3
Passo 11
Line/Box Reduction
valore: 71
categoria doc: Intersection_Removal
Pair: between Col 8 and Box 9:
- 2 can be removed from H7
- 2 can be removed from J7
- 2 can be removed from J9
Passo 12
Line/Box Reduction
valore: 69.3
categoria doc: Intersection_Removal
Pair: between Col 8 and Box 9:
- 5 can be removed from G7
- 5 can be removed from J7
- 5 can be removed from J9
Passo 13
Hidden Pair
valore: 33.8
categoria doc: Hidden_Candidates
Hidden Pair 2/5 in Row J, on cells {J5|J8}
- removes 4/6/7 from J5
Passo 14
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
4 in J3 is last in row
Passo 15
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 5 in D3 changed to solution
Last candidate 9 in G2 changed to solution
Passo 16
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 4 in A2 changed to solution
Last candidate 2 in D9 changed to solution
Last candidate 1 in F3 changed to solution
Last candidate 8 in H3 changed to solution
Passo 17
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 3 in A1 changed to solution
Last candidate 8 in A9 changed to solution
Last candidate 4 in D7 changed to solution
Last candidate 3 in E3 changed to solution
Last candidate 6 in H6 changed to solution
Passo 18
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 9 in A3 changed to solution
Last candidate 2 in A7 changed to solution
Last candidate 8 in B6 changed to solution
Last candidate 4 in E1 changed to solution
Last candidate 5 in F7 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 5 in E5 changed to solution
Last candidate 6 in E9 changed to solution
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Last candidate 5 in C9 changed to solution
Last candidate 1 in E7 changed to solution
Last candidate 9 in H7 changed to solution
Last candidate 2 in J5 changed to solution
Last candidate 7 in J9 changed to solution
Passo 21
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in B5 changed to solution
Last candidate 2 in C2 changed to solution
Last candidate 7 in C3 changed to solution
Last candidate 3 in H4 changed to solution
Last candidate 6 in J1 changed to solution
Last candidate 5 in J8 changed to solution
Passo 22
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 5 in B2 changed to solution
Last candidate 2 in B4 changed to solution
Last candidate 4 in C4 changed to solution
Last candidate 7 in G1 changed to solution
Last candidate 3 in G8 changed to solution
Last candidate 7 in H5 changed to solution
Last candidate 2 in H8 changed to solution
Last candidate 8 in J7 changed to solution
Passo 23
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 9 in C6 changed to solution
Last candidate 8 in G4 changed to solution
Last candidate 4 in G5 changed to solution
Last candidate 6 in G7 changed to solution
Passo 24
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in C5 changed to solution
Last candidate 9 in F5 changed to solution
Last candidate 4 in F6 changed to solution
Last candidate 5 in G6 changed to solution