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
2
2
2
2
3
4
4
4
5
5
6
6
6
6
7
7
7
7
8
8
8
8
8
8
8
9
9
9
A
B
B
E
E
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F