Passi risolutivi (27)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in A2 changed to solution
Last candidate 3 in F3 changed to solution
Passo 2
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 1 in F6 changed to solution
Passo 3
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 4 in E4 changed to solution
Last candidate 6 in F7 changed to solution
Last candidate 9 in F9 changed to solution
Passo 4
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 9 in D4 changed to solution
Last candidate 3 in E6 changed to solution
Last candidate 7 in F1 changed to solution
Passo 5
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 6 in E5 changed to solution
Passo 6
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 8 in E1 changed to solution
Passo 7
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 5 in E3 changed to solution
Passo 8
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 4 in D3 changed to solution
Passo 9
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 6 in D1 changed to solution
Passo 10
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
3 in C5 is last in row
4 in B5 is last in row/box
6 in B2 is last in row/column/box
6 in H8 is last in row/column/box
9 in A3 is last in row
9 in C8 is last in column/box
Passo 11
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 7 in G5 changed to solution
Passo 12
Hidden Singles
valore: 2.4
categoria doc: Getting_Started
4 in J1 is last in row
7 in A7 is last in row
7 in B4 is last in column/box
7 in H2 is last in row/column/box
8 in B3 is last in box
Passo 13
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
9 in H1 is last in column/box
9 in J5 is last in row
Passo 14
Pointing Pairs
valore: 29.7
categoria doc: Intersection_Removal
Pair: between Box 2 and Row A:
- 5 can be removed from A9
Passo 15
Naked Pair
valore: 9.4
categoria doc: Naked_Candidates
Naked Pair 1/2 on cells {A9|E9} means
- 1/2 can be removed from B9
- 2 can be removed from G9
- 2 can be removed from H9
Passo 16
Pointing Pairs
valore: 27.2
categoria doc: Intersection_Removal
Pair: between Box 8 and Row H:
- 5 can be removed from H7
- 5 can be removed from H9
Passo 17
Line/Unit Reduction
valore: 35.2
categoria doc: Intersection_Removal
Line/Box Reduction: 2s in box 8 remove the following in the same box:
- 2 can be removed from H6
- 2 can be removed from J4
Passo 18
Y-Wing
valore: 69.3
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: H7 (2/8), wings D7 J8, therefore
- 5 can be removed from J7
Passo 19
Hidden Singles
valore: 1.7
categoria doc: Getting_Started
5 in J8 is last in row/box
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 2 in B8 changed to solution
Passo 21
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 1 in A9 changed to solution
Last candidate 1 in B1 changed to solution
Passo 22
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in A5 changed to solution
Last candidate 2 in C1 changed to solution
Last candidate 2 in E9 changed to solution
Passo 23
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 2 in A6 changed to solution
Last candidate 8 in C6 changed to solution
Last candidate 1 in E7 changed to solution
Last candidate 1 in H5 changed to solution
Passo 24
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 1 in C4 changed to solution
Last candidate 4 in G6 changed to solution
Last candidate 2 in H3 changed to solution
Last candidate 8 in J4 changed to solution
Passo 25
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 2 in G4 changed to solution
Last candidate 5 in H6 changed to solution
Last candidate 8 in H7 changed to solution
Last candidate 3 in J2 changed to solution
Last candidate 1 in J3 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 5 in D7 changed to solution
Last candidate 8 in G2 changed to solution
Last candidate 3 in G9 changed to solution
Last candidate 4 in H9 changed to solution
Last candidate 2 in J7 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in B7 changed to solution
Last candidate 5 in B9 changed to solution
Last candidate 8 in D9 changed to solution