Passi risolutivi (29)
Passo 1
Hidden Singles
valore: 6
categoria doc: Getting_Started
4 in E9 is last in row/box
Passo 2
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
8 in A9 is last in column
8 in E4 is last in row
8 in F7 is last in box
Passo 3
Hidden Singles
valore: 5.4
categoria doc: Getting_Started
6 in E6 is last in row/box
Passo 4
Hidden Singles
valore: 5.2
categoria doc: Getting_Started
9 in D5 is last in box
Passo 5
Hidden Pair
valore: 49.5
categoria doc: Hidden_Candidates
Hidden Pair 1/9 in Row H, on cells {H1|H3}
- removes 2/6 from H1
- removes 2/6 from H3
Passo 6
Naked Pair
valore: 23.8
categoria doc: Naked_Candidates
Naked Pair 1/9 on cells {H1|H3} means
- 9 can be removed from G2
- 1/9 can be removed from J1
- 1/9 can be removed from J2
- 1/9 can be removed from J3
Passo 7
Naked Pair
valore: 23.1
categoria doc: Naked_Candidates
Naked Pair 4/8 on cells {G2|J2} means
- 4 can be removed from A2
- 4/8 can be removed from C2
- 4 can be removed from J1
- 8 can be removed from J3
Passo 8
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
4 in A1 is last in column/box
4 in C5 is last in row
8 in C3 is last in row/column/box
Passo 9
Naked Pair
valore: 20.2
categoria doc: Naked_Candidates
Naked Pair 2/6 on cells {J1|J3} means
- 6 can be removed from J4
- 2/6 can be removed from J5
- 2 can be removed from J6
- 2/6 can be removed from J7
- 2 can be removed from J8
- 2 can be removed from J9
Passo 10
Line/Unit Reduction
valore: 79.2
categoria doc: Intersection_Removal
Line/Box Reduction: 1s in box 1 remove the following in the same box:
- 1 can be removed from A2
- 1 can be removed from A3
- 1 can be removed from C2
Passo 11
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
1 in F2 is last in column
Passo 12
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 5 in F1 changed to solution
Passo 13
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 9 in E2 changed to solution
Last candidate 7 in F6 changed to solution
Passo 14
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in E1 changed to solution
Last candidate 3 in F5 changed to solution
Passo 15
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 5 in D4 changed to solution
Last candidate 7 in E3 changed to solution
Last candidate 6 in J1 changed to solution
Passo 16
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 1 in B1 changed to solution
Last candidate 3 in D3 changed to solution
Last candidate 5 in E8 changed to solution
Last candidate 2 in J3 changed to solution
Passo 17
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Last candidate 9 in H1 changed to solution
Passo 18
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 9 in A3 changed to solution
Last candidate 1 in H3 changed to solution
Passo 19
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
3 in B9 is last in row
Passo 20
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
3 in J8 is last in row/column/box
Passo 21
Hidden Singles
valore: 2
categoria doc: Getting_Started
9 in G8 is last in column/box
9 in J6 is last in row
Passo 22
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in G6 changed to solution
Passo 23
Hidden Singles
valore: 1.6
categoria doc: Getting_Started
1 in J4 is last in row/box
2 in A5 is last in column/box
2 in C8 is last in row
Passo 24
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in C4 changed to solution
Last candidate 7 in D8 changed to solution
Passo 25
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in A8 changed to solution
Last candidate 5 in C2 changed to solution
Last candidate 2 in D9 changed to solution
Passo 26
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 3 in A2 changed to solution
Last candidate 5 in A6 changed to solution
Last candidate 1 in C6 changed to solution
Last candidate 5 in H9 changed to solution
Passo 27
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in A7 changed to solution
Last candidate 7 in B5 changed to solution
Last candidate 6 in H5 changed to solution
Last candidate 7 in J9 changed to solution
Passo 28
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in A4 changed to solution
Last candidate 5 in B7 changed to solution
Last candidate 7 in G4 changed to solution
Last candidate 8 in G5 changed to solution
Last candidate 2 in H7 changed to solution
Last candidate 4 in J7 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in G2 changed to solution
Last candidate 6 in G7 changed to solution
Last candidate 8 in J2 changed to solution
Last candidate 5 in J5 changed to solution