Passi risolutivi (29)
Passo 1
Hidden Singles
valore: 5.1
categoria doc: Getting_Started
1 in A4 is last in row/box
1 in F3 is last in row
1 in H5 is last in column
2 in C7 is last in row
3 in E9 is last in column
3 in J7 is last in row/box
7 in B9 is last in row/box
Passo 2
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
1 in D9 is last in column
1 in J8 is last in row/box
2 in G3 is last in row
2 in H8 is last in column/box
3 in A2 is last in row
Passo 3
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
2 in E2 is last in row/column/box
9 in D3 is last in column
Passo 4
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
6 in D5 is last in row
9 in F7 is last in row/column/box
Passo 5
Naked Pair
valore: 17.1
categoria doc: Naked_Candidates
Naked Pair 5/8 on cells {A6|C5} means
- 5/8 can be removed from B4
- 5/8 can be removed from B5
- 5/8 can be removed from B6
Passo 6
Hidden Pair
valore: 32.5
categoria doc: Hidden_Candidates
Hidden Pair 4/9 in Row H, on cells {H1|H6}
- removes 6/7/8 from H1
- removes 5/7/8 from H6
Passo 7
Pointing Pairs
valore: 48.3
categoria doc: Intersection_Removal
Pair: between Box 6 and Row E:
- 4 can be removed from E5
Passo 8
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
4 in F5 is last in column
Passo 9
Hidden Singles
valore: 3
categoria doc: Getting_Started
3 in B5 is last in column
3 in F4 is last in row/box
Passo 10
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 2 in B4 changed to solution
Passo 11
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 9 in B6 changed to solution
Passo 12
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 4 in H6 changed to solution
Passo 13
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 9 in H1 changed to solution
Passo 14
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 8 in G1 changed to solution
Passo 15
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 5 in G7 changed to solution
Passo 16
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 9 in G5 changed to solution
Passo 17
Hidden Singles
valore: 2
categoria doc: Getting_Started
2 in D6 is last in row/column/box
5 in H4 is last in row/box
Passo 18
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
5 in D8 is last in row
7 in H2 is last in row
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in F2 changed to solution
Passo 20
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 6 in B2 changed to solution
Passo 21
Line/Box Reduction
valore: 29.2
categoria doc: Intersection_Removal
Pair: between Row C and Box 0:
- 5 can be removed from A3
Passo 22
W-Wing
valore: 35.8
categoria doc: W_Wings
W-Wing (single). Either there is a 5 in C9 or in E5. They are connected through 8 in B8/E8, therefore
- 5 can be removed from C5
Last candidate 8 in C5 changed to solution
Passo 23
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in A6 changed to solution
Last candidate 5 in C9 changed to solution
Last candidate 5 in E5 changed to solution
Passo 24
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 6 in E3 changed to solution
Last candidate 7 in F6 changed to solution
Passo 25
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 8 in D4 changed to solution
Last candidate 7 in E1 changed to solution
Last candidate 5 in F1 changed to solution
Last candidate 4 in J3 changed to solution
Last candidate 8 in J6 changed to solution
Passo 26
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 8 in A3 changed to solution
Last candidate 4 in B1 changed to solution
Last candidate 7 in D7 changed to solution
Last candidate 6 in J1 changed to solution
Last candidate 7 in J4 changed to solution
Passo 27
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 6 in A9 changed to solution
Last candidate 5 in B3 changed to solution
Last candidate 8 in B8 changed to solution
Passo 28
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 4 in A7 changed to solution
Last candidate 4 in E8 changed to solution
Last candidate 8 in H9 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in E7 changed to solution
Last candidate 6 in H7 changed to solution