Charles
November 20, 20111
2
3
4
5
6
7 {A,B}
8 {A,B}
9 {A,B}
10
11
12
13
14
15 (A,B,C)
16
17
18
19
20(A,B)
21 (A,B)
22
23
24
25
26
27
28
1
2
3
4
5
6
7 {A,B}
8 {A,B}
9 {A,B}
10
11
12
13
14
15 (A,B,C)
16
17
18
19
20(A,B)
21 (A,B)
22
23
24
25
26
27
28
