1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
3
4
4
5
8
8
8
9
9
9
9
C
C
C
D
D
E
E
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