2 2 3? 3? 4? 4? 5 6? 6? 7 8? 8 9 10 11 13 15 15 16 17 17 17 18 18 19 20 20 21 21 22 23 1 2
3 4
5 6
7 8 8
9 10 9 10
11 12
13 14
15 16
17 18
19 20
Q & A Q & A Q A Q A 21 22 Q A
23 24
25 26