Passi risolutivi (17)
Passo 1
Hidden Singles
valore: 6.4
categoria doc: Getting_Started
1 in F7 is last in column
2 in H6 is last in row
3 in B3 is last in column/box
6 in J2 is last in column/box
Passo 2
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
1 in G3 is last in column
3 in C7 is last in column
6 in H4 is last in row/box
Passo 3
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 4 in B4 changed to solution
Last candidate 7 in B7 changed to solution
Last candidate 5 in D7 changed to solution
Last candidate 4 in H7 changed to solution
Passo 4
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
1 in J8 is last in row/column/box
4 in D3 is last in column
Passo 5
Hidden Pair
valore: 40.2
categoria doc: Hidden_Candidates
Hidden Pair 6/8 in Box 2, on cells {B6|C5}
- removes 2/5 from C5
Passo 6
Hidden Singles
valore: 4
categoria doc: Getting_Started
2 in A5 is last in column/box
Passo 7
Hidden Triple
valore: 92.8
categoria doc: Hidden_Candidates
Hidden Triple 4/5/9 in Col 8, on cells {A8|C8|G8}
- removes 2/6 from C8
- removes 3/8 from G8
Passo 8
Hidden Pair
valore: 36.9
categoria doc: Hidden_Candidates
Hidden Pair 2/6 in Box 3, on cells {B8|C9}
- removes 5 from C9
Passo 9
Pointing Pairs
valore: 54.9
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 9:
- 3 can be removed from E9
Passo 10
Pointing Pairs
valore: 54.5
categoria doc: Intersection_Removal
Triple: between Box 9 and Col 9:
- 8 can be removed from D9
Passo 11
Rectangle Elimination
valore: 90.1
categoria doc: Rectangle_Elimination
If +6[E9] then -6[C9] forcing +6[C5] which removes all 6s from box 5, so E9 cannot be 6
Last candidate 7 in E9 changed to solution
Passo 12
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 1 in E2 changed to solution
Last candidate 5 in E1 changed to solution
Last candidate 8 in F3 changed to solution
Last candidate 3 in F8 changed to solution
Last candidate 5 in H3 changed to solution
Last candidate 8 in H9 changed to solution
Passo 13
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in E8 changed to solution
Last candidate 2 in B8 changed to solution
Last candidate 6 in C9 changed to solution
Last candidate 8 in D8 changed to solution
Last candidate 2 in D9 changed to solution
Passo 14
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 8 in B1 changed to solution
Last candidate 6 in B6 changed to solution
Last candidate 8 in C5 changed to solution
Last candidate 4 in J1 changed to solution
Last candidate 2 in G1 changed to solution
Last candidate 8 in G2 changed to solution
Passo 15
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 1 in C1 changed to solution
Last candidate 5 in C4 changed to solution
Last candidate 4 in C8 changed to solution
Last candidate 7 in A1 changed to solution
Last candidate 4 in A2 changed to solution
Last candidate 3 in A6 changed to solution
Last candidate 2 in C2 changed to solution
Last candidate 4 in E6 changed to solution
Passo 16
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 1 in A4 changed to solution
Last candidate 3 in E5 changed to solution
Last candidate 5 in J5 changed to solution
Last candidate 7 in F5 changed to solution
Last candidate 4 in G5 changed to solution
Last candidate 9 in G6 changed to solution
Last candidate 5 in G8 changed to solution
Last candidate 3 in G9 changed to solution
Last candidate 3 in J4 changed to solution
Last candidate 8 in J6 changed to solution
Last candidate 9 in J9 changed to solution
Passo 17
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in A8 changed to solution
Last candidate 5 in A9 changed to solution
Last candidate 9 in D4 changed to solution
Last candidate 6 in D5 changed to solution
Last candidate 9 in F2 changed to solution
Last candidate 5 in F6 changed to solution
Last candidate 7 in G4 changed to solution
Last candidate 7 in D2 changed to solution