Passi risolutivi (30)
Passo 1
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
1 in A7 is last in row/box
2 in B5 is last in row/column/box
4 in E7 is last in row/box
5 in D7 is last in column/box
9 in D5 is last in column/box
Passo 2
Hidden Singles
valore: 5.2
categoria doc: Getting_Started
3 in E3 is last in row
3 in J7 is last in column
Passo 3
Hidden Singles
valore: 4.7
categoria doc: Getting_Started
2 in H7 is last in column
3 in A1 is last in column/box
3 in C4 is last in row
Passo 4
Naked Pair
valore: 22.1
categoria doc: Naked_Candidates
Naked Pair 6/8 on cells {A5|E5} means
- 6/8 can be removed from H5
- 8 can be removed from J5
Passo 5
Naked Pair
valore: 21.7
categoria doc: Naked_Candidates
Naked Pair 1/5 on cells {H5|J5} means
- 5 can be removed from H4
- 5 can be removed from H6
- 5 can be removed from J6
Passo 6
Hidden Pair
valore: 42.4
categoria doc: Hidden_Candidates
Hidden Pair 6/9 in Col 8, on cells {C8|G8}
- removes 8 from C8
- removes 1/7/8 from G8
Passo 7
Pointing Pairs
valore: 63.1
categoria doc: Intersection_Removal
Pair: between Box 8 and Col 5:
- 4 can be removed from B6
Passo 8
Pointing Pairs
valore: 62.3
categoria doc: Intersection_Removal
Pair: between Box 4 and Col 1:
- 6 can be removed from A2
- 6 can be removed from C2
Passo 9
Pointing Pairs
valore: 61.9
categoria doc: Intersection_Removal
Pair: between Box 3 and Row B:
- 7 can be removed from B1
Passo 10
Pointing Pairs
valore: 60.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Row G:
- 9 can be removed from G1
- 9 can be removed from G2
- 9 can be removed from G3
Passo 11
Line/Box Reduction
valore: 79.8
categoria doc: Intersection_Removal
Pair: between Row H and Box 6:
- 1 can be removed from H1
- 1 can be removed from J2
Passo 12
W-Wing
valore: 98.3
categoria doc: W_Wings
W-Wing (single). Either there is a 7 in A3 or in E2. They are connected through 6 in A5/E5, therefore
- 7 can be removed from A2
- 7 can be removed from F3
Last candidate 4 in A2 changed to solution
Passo 13
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 9 in B1 changed to solution
Passo 14
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 5 in C2 changed to solution
Passo 15
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 6 in C3 changed to solution
Passo 16
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 7 in A3 changed to solution
Last candidate 9 in C8 changed to solution
Passo 17
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 8 in C7 changed to solution
Last candidate 8 in G3 changed to solution
Last candidate 6 in G8 changed to solution
Passo 18
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 4 in C9 changed to solution
Last candidate 9 in G7 changed to solution
Last candidate 7 in H1 changed to solution
Passo 19
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in B9 changed to solution
Last candidate 1 in G2 changed to solution
Last candidate 2 in J2 changed to solution
Passo 20
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in B6 changed to solution
Last candidate 4 in G1 changed to solution
Last candidate 5 in J3 changed to solution
Passo 21
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in B4 changed to solution
Last candidate 7 in G6 changed to solution
Last candidate 9 in H3 changed to solution
Last candidate 1 in J5 changed to solution
Passo 22
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 2 in F3 changed to solution
Last candidate 5 in H5 changed to solution
Passo 23
Hidden Singles
valore: 1.3
categoria doc: Getting_Started
1 in H9 is last in row/box
2 in D8 is last in row/column/box
4 in J6 is last in row/column/box
5 in F4 is last in row/column/box
9 in F2 is last in row/column/box
Passo 24
Hidden Singles
valore: 1
categoria doc: Getting_Started
1 in D1 is last in row
1 in F8 is last in column/box
7 in D4 is last in column/box
Passo 25
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 6 in D2 changed to solution
Last candidate 8 in F1 changed to solution
Passo 26
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 7 in E2 changed to solution
Last candidate 3 in F6 changed to solution
Passo 27
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 8 in D6 changed to solution
Last candidate 8 in E8 changed to solution
Last candidate 7 in F9 changed to solution
Passo 28
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 3 in D9 changed to solution
Last candidate 6 in E5 changed to solution
Last candidate 6 in H6 changed to solution
Last candidate 7 in J8 changed to solution
Last candidate 8 in J9 changed to solution
Passo 29
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 8 in A5 changed to solution
Last candidate 8 in H4 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in A4 changed to solution