Passi risolutivi (28)
Passo 1
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
1 in E6 is last in column
5 in D9 is last in column/box
8 in E7 is last in column
8 in H8 is last in row/box
Passo 2
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
4 in B9 is last in column
5 in F6 is last in column
Passo 3
Naked Pair
valore: 24.2
categoria doc: Naked_Candidates
Naked Pair 3/6 on cells {B6|C4} means
- 3 can be removed from A5
- 3/6 can be removed from B4
- 3/6 can be removed from C5
Last candidate 8 in B4 changed to solution
Passo 4
Hidden Singles
valore: 4.5
categoria doc: Getting_Started
8 in A2 is last in row/column/box
8 in D5 is last in row/column/box
Passo 5
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
9 in D6 is last in row
Passo 6
Hidden Pair
valore: 42.1
categoria doc: Hidden_Candidates
Hidden Pair 2/7 in Box 5, on cells {E4|F4}
- removes 4/6 from E4
- removes 3/4/6 from F4
Passo 7
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
4 in D4 is last in column
Passo 8
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 6 in D8 changed to solution
Last candidate 6 in E5 changed to solution
Passo 9
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 3 in D3 changed to solution
Last candidate 3 in F5 changed to solution
Last candidate 7 in F7 changed to solution
Passo 10
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 4 in E8 changed to solution
Last candidate 2 in F4 changed to solution
Passo 11
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 7 in E4 changed to solution
Last candidate 4 in F1 changed to solution
Passo 12
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 6 in F2 changed to solution
Passo 13
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
4 in C3 is last in row/box
6 in B6 is last in row
6 in C7 is last in box
Passo 14
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 3 in C4 changed to solution
Passo 15
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 9 in C8 changed to solution
Last candidate 6 in H4 changed to solution
Passo 16
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in C1 changed to solution
Passo 17
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 7 in A3 changed to solution
Last candidate 1 in C5 changed to solution
Passo 18
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in A5 changed to solution
Passo 19
Hidden Singles
valore: 1.6
categoria doc: Getting_Started
5 in E3 is last in column
5 in H2 is last in row/box
7 in B8 is last in row/box
Passo 20
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 9 in E2 changed to solution
Passo 21
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 3 in B2 changed to solution
Last candidate 2 in E1 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 9 in B1 changed to solution
Passo 23
Naked Pair
valore: 5.4
categoria doc: Naked_Candidates
Naked Pair 1/2 on cells {A9|H9} means
- 2 can be removed from G9
- 1/2 can be removed from J9
Passo 24
Bi-value Universal Grave
valore: 30.5
categoria doc: BUG
BUG+1 found in J7, 3 must be the solution
All other incomplete cells contain two candidates apart from J7. Other candidates in J7 would create two or more solutions so they can be removed.
Last candidate 3 in J7 changed to solution
Passo 25
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 1 in A7 changed to solution
Last candidate 9 in G7 changed to solution
Last candidate 1 in J1 changed to solution
Last candidate 2 in J8 changed to solution
Passo 26
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 3 in A8 changed to solution
Last candidate 2 in A9 changed to solution
Last candidate 4 in G5 changed to solution
Last candidate 3 in H1 changed to solution
Last candidate 1 in H9 changed to solution
Last candidate 6 in J3 changed to solution
Passo 27
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in G2 changed to solution
Last candidate 2 in G3 changed to solution
Last candidate 2 in H6 changed to solution
Last candidate 9 in J5 changed to solution
Last candidate 7 in J9 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in G6 changed to solution
Last candidate 6 in G9 changed to solution
Last candidate 4 in J2 changed to solution