Passi risolutivi (33)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in D3 changed to solution
Last candidate 2 in E3 changed to solution
Passo 2
Hidden Singles
valore: 5.2
categoria doc: Getting_Started
1 in H7 is last in column/box
2 in F6 is last in row/column/box
3 in D8 is last in column/box
4 in F2 is last in column/box
Passo 3
Naked Pair
valore: 23.7
categoria doc: Naked_Candidates
Naked Pair 1/8 on cells {D1|F1} means
- 8 can be removed from B1
- 8 can be removed from C1
- 1 can be removed from J1
Passo 4
Hidden Pair
valore: 45.9
categoria doc: Hidden_Candidates
Hidden Pair 8/9 in Box 9, on cells {G9|H9}
- removes 2/6/7 from G9
- removes 6/7 from H9
Passo 5
Naked Pair
valore: 22.8
categoria doc: Naked_Candidates
Naked Pair 8/9 on cells {G9|H9} means
- 8 can be removed from B9
Passo 6
Pointing Pairs
valore: 67.7
categoria doc: Intersection_Removal
Pair: between Box 2 and Row A:
- 4 can be removed from A8
- 4 can be removed from A9
Passo 7
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
4 in J8 is last in column
Passo 8
Pointing Pairs
valore: 64.8
categoria doc: Intersection_Removal
Pair: between Box 6 and Col 9:
- 5 can be removed from A9
- 5 can be removed from B9
Passo 9
Pointing Pairs
valore: 64
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 1:
- 7 can be removed from H1
- 7 can be removed from J1
Passo 10
Rectangle Elimination
valore: 105.9
categoria doc: Rectangle_Elimination
If +2[A2] then -2[A9] forcing +2[J9] which removes all 2s from box 7, so A2 cannot be 2
Last candidate 5 in A2 changed to solution
Passo 11
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Passo 12
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 4 in B9 changed to solution
Passo 13
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 8 in B7 changed to solution
Passo 14
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 9 in B2 changed to solution
Passo 15
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 3 in B1 changed to solution
Passo 16
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 5 in B6 changed to solution
Passo 17
Hidden Singles
valore: 2.9
categoria doc: Getting_Started
4 in E7 is last in column/box
5 in C8 is last in row/column/box
8 in C2 is last in row/column/box
9 in C6 is last in row/column/box
9 in G9 is last in row
9 in H1 is last in column/box
Passo 18
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 8 in H9 changed to solution
Passo 19
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
2 in C1 is last in row
6 in J1 is last in column/box
Passo 20
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 7 in A1 changed to solution
Passo 21
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
7 in C7 is last in row/box
Passo 22
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 6 in F7 changed to solution
Passo 23
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
6 in A9 is last in column
Passo 24
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 2 in A8 changed to solution
Passo 25
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
2 in G2 is last in row
2 in J9 is last in column/box
Passo 26
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in J2 changed to solution
Passo 27
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in J5 changed to solution
Passo 28
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 4 in A5 changed to solution
Last candidate 7 in J6 changed to solution
Passo 29
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 3 in A4 changed to solution
Last candidate 1 in D6 changed to solution
Passo 30
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 8 in D1 changed to solution
Last candidate 6 in E4 changed to solution
Last candidate 6 in G6 changed to solution
Passo 31
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 1 in C4 changed to solution
Last candidate 5 in D5 changed to solution
Last candidate 3 in E6 changed to solution
Last candidate 1 in F1 changed to solution
Last candidate 7 in G8 changed to solution
Last candidate 5 in H4 changed to solution
Passo 32
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 6 in C5 changed to solution
Last candidate 7 in D9 changed to solution
Last candidate 8 in F5 changed to solution
Last candidate 5 in G3 changed to solution
Last candidate 8 in G4 changed to solution
Last candidate 7 in H3 changed to solution
Last candidate 6 in H8 changed to solution
Passo 33
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 4 in D4 changed to solution
Last candidate 7 in F4 changed to solution
Last candidate 5 in F9 changed to solution
Last candidate 1 in G5 changed to solution