1
1
1
1
1
1
1
1
1
1
1
3
5
5
5
7
8
8
A
A
A
B
B
C
D
D
D
D
D
D
D
E
E
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F