Passi risolutivi (28)
Passo 1
Hidden Singles
valore: 5.5
categoria doc: Getting_Started
1 in B5 is last in row/box
1 in E6 is last in column
5 in A3 is last in row
5 in C7 is last in column
8 in B1 is last in box
Passo 2
Hidden Singles
valore: 4.7
categoria doc: Getting_Started
1 in F8 is last in row/box
2 in B3 is last in row
2 in C5 is last in column/box
6 in A5 is last in box
7 in E7 is last in column
Passo 3
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
3 in B7 is last in column
3 in D8 is last in box
Passo 4
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 6 in B8 changed to solution
Passo 5
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 4 in B9 changed to solution
Passo 6
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
6 in H9 is last in column/box
Passo 7
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
9 in C9 is last in column
9 in J8 is last in box
Passo 8
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 7 in A8 changed to solution
Passo 9
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 3 in A2 changed to solution
Last candidate 8 in C8 changed to solution
Passo 10
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 9 in A6 changed to solution
Last candidate 7 in C3 changed to solution
Passo 11
Pointing Pairs
valore: 42.5
categoria doc: Intersection_Removal
Pair: between Box 4 and Col 2:
- 4 can be removed from G2
- 4 can be removed from H2
- 4 can be removed from J2
Passo 12
Rectangle Elimination
valore: 70.2
categoria doc: Rectangle_Elimination
If +9[G1] then -9[D1] forcing +9[D5] which removes all 9s from Box 8, so G1 cannot be 9
Passo 13
Hidden Unique Rectangle
valore: 277.9
categoria doc: Hidden_Unique_Rectangles
Type 1: removing 8 at J7 because of GJ27 and two strong links on 1
Passo 14
Hidden Unique Rectangle
valore: 275.1
categoria doc: Hidden_Unique_Rectangles
Type 2: removing 4 at G4 because of CG46 and one strong link on 3 between C6 and G6
Passo 15
Aligned Pair Exclusion
valore: 381.3
categoria doc: Aligned_Pair_Exclusion
Some solution combinations in the two gray cells would empty at least one of the coloured cells. Removing those combinations create eliminations in the gray cells.
Pair D5 / D6 reduced from 4/5/7/8/9->4/5/7/8 and 4/8->4/8
- Pair 5/8 found in ALS {D9}
- Combinations of 4/7/9 found in ALS {D1,D2}
Note: some ALSs share cells and cannot be fully colour indicated
Passo 16
Hidden Singles
valore: 2.7
categoria doc: Getting_Started
9 in D1 is last in row
Passo 17
XYZ Wing
valore: 153.5
categoria doc: XYZ_Wing
XYZ-Wing pattern. Hinge: E1 (2/3/6), wings E3 H1, therefore
- 3 can be removed from F1
Passo 18
Hidden Pair
valore: 25.3
categoria doc: Hidden_Candidates
Hidden Pair 3/6 in Box 4, on cells {E1|E3}
- removes 2 from E1
Passo 19
Hidden Singles
valore: 2.5
categoria doc: Getting_Started
2 in E9 is last in row
Passo 20
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 5 in F9 changed to solution
Passo 21
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 8 in D9 changed to solution
Passo 22
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in D6 changed to solution
Passo 23
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in C6 changed to solution
Last candidate 7 in D2 changed to solution
Last candidate 3 in F4 changed to solution
Passo 24
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 4 in C4 changed to solution
Last candidate 5 in D5 changed to solution
Last candidate 9 in E4 changed to solution
Last candidate 2 in F1 changed to solution
Last candidate 7 in F5 changed to solution
Last candidate 8 in G6 changed to solution
Passo 25
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 8 in E5 changed to solution
Last candidate 4 in F2 changed to solution
Last candidate 1 in G2 changed to solution
Last candidate 3 in H1 changed to solution
Last candidate 4 in J5 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 6 in E1 changed to solution
Last candidate 4 in G7 changed to solution
Last candidate 9 in H5 changed to solution
Last candidate 8 in J2 changed to solution
Last candidate 6 in J3 changed to solution
Last candidate 1 in J7 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in E3 changed to solution
Last candidate 5 in G1 changed to solution
Last candidate 9 in G3 changed to solution
Last candidate 3 in G5 changed to solution
Last candidate 2 in H2 changed to solution
Last candidate 4 in H3 changed to solution
Last candidate 8 in H7 changed to solution
Last candidate 5 in J4 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in G4 changed to solution
Last candidate 7 in J1 changed to solution