1
1
1
1
6
8
8
9
A
A
A
A
A
C
C
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
F
F
F