Passi risolutivi (30)
Passo 1
Hidden Singles
valore: 5.8
categoria doc: Getting_Started
3 in A8 is last in row/column/box
6 in G4 is last in row/box
7 in B5 is last in column/box
9 in A1 is last in column
9 in F8 is last in row/box
Passo 2
Hidden Singles
valore: 5.2
categoria doc: Getting_Started
4 in G3 is last in row
7 in A9 is last in row
9 in B4 is last in row/column/box
Passo 3
Hidden Singles
valore: 4.9
categoria doc: Getting_Started
7 in H8 is last in column/box
Passo 4
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 5 in H3 changed to solution
Passo 5
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Passo 6
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
2 in H7 is last in box
Passo 7
Hidden Singles
valore: 4
categoria doc: Getting_Started
9 in G7 is last in column/box
9 in H2 is last in row
Passo 8
Hidden Pair
valore: 38
categoria doc: Hidden_Candidates
Hidden Pair 2/5 in Box 8, on cells {J4|J6}
- removes 1/8 from J4
- removes 1/8 from J6
Passo 9
Naked Pair
valore: 18.8
categoria doc: Naked_Candidates
Naked Pair 2/5 on cells {J4|J6} means
- 5 can be removed from J9
Passo 10
Pointing Pairs
valore: 55.3
categoria doc: Intersection_Removal
Pair: between Box 5 and Row D:
- 1 can be removed from D7
- 1 can be removed from D8
- 1 can be removed from D9
Passo 11
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
1 in B7 is last in column
Passo 12
Pointing Pairs
valore: 52.4
categoria doc: Intersection_Removal
Pair: between Box 2 and Col 6:
- 4 can be removed from D6
- 4 can be removed from F6
- 4 can be removed from H6
Passo 13
Pointing Pairs
valore: 51.6
categoria doc: Intersection_Removal
Pair: between Box 3 and Col 8:
- 4 can be removed from D8
- 4 can be removed from E8
Passo 14
Pointing Pairs
valore: 51.2
categoria doc: Intersection_Removal
Pair: between Box 2 and Col 6:
- 6 can be removed from D6
Passo 15
Pointing Pairs
valore: 49.9
categoria doc: Intersection_Removal
Triple: between Box 6 and Row D:
- 8 can be removed from D4
- 8 can be removed from D5
- 8 can be removed from D6
Passo 16
Line/Box Reduction
valore: 64.9
categoria doc: Intersection_Removal
Pair: between Row F and Box 5:
- 4 can be removed from D4
- 4 can be removed from D5
- 4 can be removed from E5
Passo 17
Naked Pair
valore: 15.5
categoria doc: Naked_Candidates
Naked Pair 5/6 on cells {D5|E5} means
- 5 can be removed from D4
- 5 can be removed from D6
- 5 can be removed from F4
- 5 can be removed from F5
- 5 can be removed from F6
Passo 18
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
5 in F2 is last in row
Passo 19
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 8 in B2 changed to solution
Last candidate 4 in E1 changed to solution
Passo 20
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 7 in D1 changed to solution
Last candidate 1 in G2 changed to solution
Passo 21
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 5 in C1 changed to solution
Last candidate 8 in J1 changed to solution
Passo 22
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in J9 changed to solution
Passo 23
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in E9 changed to solution
Passo 24
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 8 in D7 changed to solution
Last candidate 6 in E5 changed to solution
Last candidate 8 in G9 changed to solution
Passo 25
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 6 in C7 changed to solution
Last candidate 5 in D5 changed to solution
Last candidate 2 in D8 changed to solution
Last candidate 4 in D9 changed to solution
Last candidate 2 in E2 changed to solution
Last candidate 5 in G8 changed to solution
Passo 26
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 5 in A7 changed to solution
Last candidate 4 in B8 changed to solution
Last candidate 7 in C2 changed to solution
Last candidate 1 in D4 changed to solution
Last candidate 1 in E8 changed to solution
Last candidate 3 in F3 changed to solution
Passo 27
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 8 in A4 changed to solution
Last candidate 5 in B6 changed to solution
Last candidate 2 in C3 changed to solution
Last candidate 8 in C8 changed to solution
Last candidate 6 in D2 changed to solution
Last candidate 3 in D6 changed to solution
Last candidate 3 in J2 changed to solution
Last candidate 7 in J3 changed to solution
Passo 28
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 6 in A6 changed to solution
Last candidate 4 in C6 changed to solution
Last candidate 4 in H4 changed to solution
Last candidate 2 in J6 changed to solution
Passo 29
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 2 in F4 changed to solution
Last candidate 8 in F6 changed to solution
Last candidate 8 in H5 changed to solution
Last candidate 5 in J4 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in F5 changed to solution
Last candidate 1 in H6 changed to solution