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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
5
5
5
6
6
6
6
6
6
7
7
8
A
A
A
A
C
C
C
D
D
D
E
E
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F