1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
5
6
6
7
7
7
8
8
9
A
A
C
C
C
D
D
D
E
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F