Passi risolutivi (13)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in H6 changed to solution
Last candidate 7 in J6 changed to solution
Passo 2
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
1 in F8 is last in column/box
4 in E6 is last in column/box
6 in C3 is last in column/box
7 in D2 is last in row/box
8 in H1 is last in row/box
Passo 3
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
4 in D3 is last in row/box
8 in A3 is last in column/box
Passo 4
Naked Pair
valore: 19.3
categoria doc: Naked_Candidates
Naked Pair 5/6 on cells {H5|H9} means
- 5 can be removed from H2
- 6 can be removed from H8
Passo 5
Hidden Pair
valore: 37.4
categoria doc: Hidden_Candidates
Hidden Pair 6/8 in Row F, on cells {F5|F7}
- removes 2/5 from F5
- removes 2/5 from F7
Passo 6
Pointing Pairs
valore: 55.7
categoria doc: Intersection_Removal
Triple: between Box 1 and Col 2:
- 2 can be removed from F2
Passo 7
Pointing Pairs
valore: 55.3
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 2:
- 3 can be removed from G2
Passo 8
Pointing Pairs
valore: 54.9
categoria doc: Intersection_Removal
Pair: between Box 2 and Row B:
- 8 can be removed from B8
Passo 9
Line/Unit Reduction
valore: 72.1
categoria doc: Intersection_Removal
Line/Box Reduction: 5s in box 4 remove the following in the same box:
- 5 can be removed from E1
- 5 can be removed from E3
Passo 10
Y-Wing
valore: 143.1
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: C2 (2/5), wings C6 F2, therefore
- 9 can be removed from F6
Last candidate 2 in F6 changed to solution
Passo 11
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 9 in C6 changed to solution
Last candidate 5 in F3 changed to solution
Last candidate 1 in A4 changed to solution
Last candidate 8 in B4 changed to solution
Last candidate 5 in D4 changed to solution
Last candidate 9 in F2 changed to solution
Last candidate 6 in G4 changed to solution
Last candidate 4 in H2 changed to solution
Last candidate 5 in H5 changed to solution
Last candidate 9 in H8 changed to solution
Last candidate 6 in H9 changed to solution
Last candidate 1 in J5 changed to solution
Passo 12
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in E1 changed to solution
Last candidate 2 in E3 changed to solution
Last candidate 9 in E4 changed to solution
Last candidate 3 in J3 changed to solution
Last candidate 2 in J8 changed to solution
Last candidate 7 in B1 changed to solution
Last candidate 2 in B5 changed to solution
Last candidate 3 in B9 changed to solution
Last candidate 5 in C1 changed to solution
Last candidate 2 in C2 changed to solution
Last candidate 8 in C8 changed to solution
Last candidate 3 in D8 changed to solution
Last candidate 5 in E9 changed to solution
Last candidate 1 in G3 changed to solution
Last candidate 4 in G8 changed to solution
Last candidate 7 in G9 changed to solution
Last candidate 9 in J1 changed to solution
Last candidate 5 in J7 changed to solution
Passo 13
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in A2 changed to solution
Last candidate 7 in A5 changed to solution
Last candidate 2 in A9 changed to solution
Last candidate 1 in B2 changed to solution
Last candidate 6 in B8 changed to solution
Last candidate 7 in C7 changed to solution
Last candidate 8 in D5 changed to solution
Last candidate 2 in D7 changed to solution
Last candidate 6 in E7 changed to solution
Last candidate 6 in F5 changed to solution
Last candidate 8 in F7 changed to solution
Last candidate 5 in G2 changed to solution
Last candidate 3 in G7 changed to solution
Last candidate 9 in A7 changed to solution
Last candidate 3 in E5 changed to solution