1
1
1
1
1
1
3
5
5
5
7
7
9
A
A
B
C
D
D
D
D
E
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