1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
3
5
5
6
6
6
7
7
7
7
8
8
8
8
9
9
9
A
B
B
B
B
C
C
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
F
F
F
F