Passi risolutivi (30)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 1 in E6 changed to solution
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 3 in E4 changed to solution
Passo 3
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 2 in E5 changed to solution
Passo 4
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 7 in E3 changed to solution
Passo 5
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 6 in E7 changed to solution
Passo 6
Hidden Singles
valore: 4.9
categoria doc: Getting_Started
2 in C7 is last in column
2 in H8 is last in row/box
5 in D9 is last in row/box
8 in A5 is last in row/box
Passo 7
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 9 in D8 changed to solution
Passo 8
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 4 in D4 changed to solution
Last candidate 7 in F8 changed to solution
Passo 9
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 3 in D2 changed to solution
Last candidate 2 in F9 changed to solution
Last candidate 1 in J8 changed to solution
Passo 10
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 2 in D1 changed to solution
Passo 11
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
1 in A9 is last in row
1 in H2 is last in column/box
2 in B3 is last in row/column/box
3 in G9 is last in box
3 in H1 is last in row
5 in A7 is last in column/box
8 in J1 is last in row
Passo 12
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 9 in H5 changed to solution
Passo 13
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in H4 changed to solution
Passo 14
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 7 in H6 changed to solution
Passo 15
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
6 in J9 is last in column/box
Passo 16
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in J5 changed to solution
Passo 17
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in G6 changed to solution
Passo 18
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 9 in F6 changed to solution
Passo 19
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 8 in F4 changed to solution
Passo 20
Naked Pair
valore: 8
categoria doc: Naked_Candidates
Naked Pair 4/6 on cells {A2|F2} means
- 4/6 can be removed from B2
Passo 21
Line/Unit Reduction
valore: 30.8
categoria doc: Intersection_Removal
Line/Box Reduction: 9s in box 1 remove the following in the same box:
- 9 can be removed from C1
- 9 can be removed from C3
Passo 22
Unique Rectangle Type 1
valore: 29.7
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 4/6 at A1 because of A2,F2,F1
Last candidate 9 in A1 changed to solution
Passo 23
Hidden Singles
valore: 1.3
categoria doc: Getting_Started
6 in A2 is last in row/box
6 in F1 is last in column
Passo 24
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 4 in F2 changed to solution
Passo 25
Bi-value Universal Grave
valore: 35.5
categoria doc: BUG
BUG+1 found in C3, 4 must be the solution
All other incomplete cells contain two candidates apart from C3. Other candidates in C3 would lead to zero, two or more solutions so they can be removed.
Last candidate 4 in C3 changed to solution
Passo 26
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 3 in A3 changed to solution
Last candidate 7 in C1 changed to solution
Last candidate 5 in C6 changed to solution
Last candidate 9 in G3 changed to solution
Passo 27
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 4 in A8 changed to solution
Last candidate 5 in B2 changed to solution
Last candidate 4 in B6 changed to solution
Last candidate 9 in C9 changed to solution
Last candidate 4 in G1 changed to solution
Last candidate 7 in G7 changed to solution
Last candidate 5 in J3 changed to solution
Passo 28
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 3 in B8 changed to solution
Last candidate 7 in B9 changed to solution
Last candidate 1 in C4 changed to solution
Last candidate 7 in J2 changed to solution
Last candidate 9 in J7 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in B5 changed to solution
Last candidate 3 in C5 changed to solution
Last candidate 6 in G4 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in B4 changed to solution
Last candidate 1 in G5 changed to solution