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
3
3
4
4
4
5
6
6
6
6
7
7
7
7
9
A
A
A
B
C
C
D
D
D
D
E
E
E
E
F
F
F
F
F
F
F
F
F
F
F