Passi risolutivi (21)
Passo 1
Hidden Singles
valore: 5.6
categoria doc: Getting_Started
2 in A2 is last in row/box
3 in H5 is last in box
4 in G4 is last in column/box
6 in B5 is last in box
7 in D1 is last in column/box
9 in F6 is last in column
9 in J8 is last in row/box
Passo 2
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
1 in D6 is last in column
2 in D4 is last in column
2 in G5 is last in box
2 in H3 is last in row
7 in H8 is last in box
7 in J6 is last in row
9 in A7 is last in row
9 in C5 is last in column/box
Passo 3
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 8 in H6 changed to solution
Passo 4
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 6 in G6 changed to solution
Passo 5
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
2 in E8 is last in row/column/box
3 in F4 is last in column/box
7 in F5 is last in column
9 in B2 is last in row/box
9 in E3 is last in column
Passo 6
Pointing Pairs
valore: 44.2
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 1:
- 3 can be removed from E1
- 3 can be removed from J1
Passo 7
Naked Pair
valore: 14.3
categoria doc: Naked_Candidates
Naked Pair 4/8 on cells {J1|J9} means
- 4/8 can be removed from J2
- 8 can be removed from J3
Passo 8
Pointing Pairs
valore: 42.5
categoria doc: Intersection_Removal
Pair: between Box 4 and Col 2:
- 4 can be removed from H2
Last candidate 5 in H2 changed to solution
Passo 9
Pointing Pairs
valore: 40
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 9:
- 4 can be removed from F9
Passo 10
Line/Unit Reduction
valore: 51.7
categoria doc: Intersection_Removal
Line/Box Reduction: 8s in box 4 remove the following in the same box:
- 8 can be removed from D3
- 8 can be removed from E1
- 8 can be removed from F3
Passo 11
Rectangle Elimination
valore: 63.3
categoria doc: Rectangle_Elimination
If either +1[E7] or +1[H1] are ON then both are on because they are strongly linked through the hinge cell E1. If both are ON then this removes all 1s from Box 9, so neither can be 1
Last candidate 4 in H1 changed to solution
Passo 12
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in H9 changed to solution
Last candidate 8 in J1 changed to solution
Passo 13
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in A1 changed to solution
Last candidate 1 in G3 changed to solution
Last candidate 8 in G7 changed to solution
Last candidate 4 in J9 changed to solution
Passo 14
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in B1 changed to solution
Passo 15
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in B9 changed to solution
Last candidate 8 in C3 changed to solution
Last candidate 1 in E1 changed to solution
Passo 16
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 6 in A9 changed to solution
Last candidate 7 in C4 changed to solution
Passo 17
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in A8 changed to solution
Last candidate 1 in B4 changed to solution
Last candidate 5 in C7 changed to solution
Last candidate 5 in F9 changed to solution
Passo 18
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 8 in A4 changed to solution
Last candidate 3 in B8 changed to solution
Last candidate 3 in E7 changed to solution
Last candidate 6 in F3 changed to solution
Passo 19
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 4 in D7 changed to solution
Last candidate 8 in E2 changed to solution
Last candidate 8 in F8 changed to solution
Last candidate 3 in J3 changed to solution
Passo 20
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in D2 changed to solution
Last candidate 5 in D3 changed to solution
Last candidate 6 in D8 changed to solution
Last candidate 5 in E5 changed to solution
Last candidate 4 in F2 changed to solution
Last candidate 1 in F7 changed to solution
Last candidate 6 in J2 changed to solution
Passo 21
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in D5 changed to solution