Passi risolutivi (34)
Passo 1
Hidden Singles
valore: 6.1
categoria doc: Getting_Started
3 in F5 is last in row/box
8 in D9 is last in row/box
9 in B7 is last in row
9 in D1 is last in box
Passo 2
Hidden Singles
valore: 5.6
categoria doc: Getting_Started
1 in F9 is last in row
4 in E5 is last in column/box
Passo 3
Naked Pair
valore: 26.1
categoria doc: Naked_Candidates
Naked Pair 1/5 on cells {A6|D6} means
- 1/5 can be removed from C6
- 5 can be removed from E6
- 5 can be removed from G6
- 5 can be removed from J6
Passo 4
Naked Pair
valore: 25.9
categoria doc: Naked_Candidates
Naked Pair 7/9 on cells {C6|E6} means
- 7 can be removed from G6
- 7 can be removed from J6
Passo 5
Hidden Pair
valore: 51.2
categoria doc: Hidden_Candidates
Hidden Pair 7/9 in Box 5, on cells {E4|E6}
- removes 2/5 from E4
Passo 6
Hidden Pair
valore: 49.5
categoria doc: Hidden_Candidates
Hidden Pair 3/4 in Col 8, on cells {C8|G8}
- removes 1/2/6 from C8
- removes 2/5/6 from G8
Passo 7
Pointing Pairs
valore: 73.9
categoria doc: Intersection_Removal
Pair: between Box 4 and Row F:
- 2 can be removed from F4
Last candidate 5 in F4 changed to solution
Passo 8
Naked Singles
valore: 2.3
categoria doc: Getting_Started
Last candidate 1 in D6 changed to solution
Last candidate 7 in J4 changed to solution
Passo 9
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 5 in A6 changed to solution
Last candidate 2 in D5 changed to solution
Last candidate 9 in E4 changed to solution
Passo 10
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 5 in D8 changed to solution
Last candidate 7 in E6 changed to solution
Passo 11
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 9 in C6 changed to solution
Passo 12
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
5 in E2 is last in row/box
Passo 13
Naked Pair
valore: 18.6
categoria doc: Naked_Candidates
Naked Pair 2/8 on cells {A4|C4} means
- 8 can be removed from B5
- 8 can be removed from C5
Passo 14
Hidden Pair
valore: 36
categoria doc: Hidden_Candidates
Hidden Pair 7/9 in Box 9, on cells {G9|H9}
- removes 2/4/6 from G9
- removes 6 from H9
Passo 15
Hidden Singles
valore: 3.5
categoria doc: Getting_Started
2 in G7 is last in row/box
Passo 16
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 6 in E7 changed to solution
Passo 17
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in E8 changed to solution
Passo 18
Line/Unit Reduction
valore: 62.2
categoria doc: Intersection_Removal
Line/Box Reduction: 2s in box 1 remove the following in the same box:
- 2 can be removed from A1
- 2 can be removed from A3
- 2 can be removed from C1
- 2 can be removed from C3
Passo 19
Line/Unit Reduction
valore: 60.5
categoria doc: Intersection_Removal
Line/Box Reduction: 8s in box 1 remove the following in the same box:
- 8 can be removed from A3
- 8 can be removed from C2
- 8 can be removed from C3
Passo 20
X-Wing
valore: 87.5
categoria doc: X_Wing_Strategy
(Col->Row) 1 taken off B1, based on AJ17
(Col->Row) 1 taken off C1, based on AJ17
(Col->Row) 1 taken off C7, based on AJ17
(Col->Row) 1 taken off H7, based on AJ17
Last candidate 5 in H7 changed to solution
Passo 21
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 8 in H5 changed to solution
Passo 22
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 5 in G5 changed to solution
Passo 23
Y-Wing
valore: 103.4
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: G8 (3/4), wings G6 J9, therefore
- 6 can be removed from J6
Last candidate 3 in J6 changed to solution
Passo 24
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in G6 changed to solution
Last candidate 1 in J7 changed to solution
Passo 25
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 6 in H8 changed to solution
Passo 26
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in B8 changed to solution
Last candidate 9 in H3 changed to solution
Last candidate 4 in J9 changed to solution
Passo 27
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in A9 changed to solution
Last candidate 7 in B5 changed to solution
Last candidate 3 in G8 changed to solution
Last candidate 7 in H9 changed to solution
Passo 28
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in A4 changed to solution
Last candidate 1 in C5 changed to solution
Last candidate 4 in C8 changed to solution
Last candidate 6 in C9 changed to solution
Last candidate 9 in G9 changed to solution
Last candidate 1 in H2 changed to solution
Passo 29
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 3 in A7 changed to solution
Last candidate 7 in C2 changed to solution
Last candidate 2 in C4 changed to solution
Passo 30
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 4 in A3 changed to solution
Last candidate 5 in C1 changed to solution
Last candidate 8 in C7 changed to solution
Passo 31
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 1 in A1 changed to solution
Last candidate 3 in C3 changed to solution
Last candidate 8 in G3 changed to solution
Last candidate 6 in J1 changed to solution
Passo 32
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 2 in B1 changed to solution
Last candidate 4 in G2 changed to solution
Last candidate 5 in J3 changed to solution
Passo 33
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in B3 changed to solution
Last candidate 4 in F1 changed to solution
Last candidate 6 in F2 changed to solution
Last candidate 7 in G1 changed to solution
Passo 34
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in B2 changed to solution
Last candidate 2 in F3 changed to solution