1
1
2
2
2
3
5
5
6
9
9
9
9
9
9
A
A
C
C
D
D
D
D
E
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
F
F
F