7 20 7 18 16 7 12 15 22

(a)  

22 10 10 3

(a)  

0 15 3 15 16 7 20 12

(a)  

4 5 12 15 7 20 12

(a)  

22 5 18 15 20 16

(a)  

17 15 20 0

(a)  

22 3 7 23 7 18

(a)  

4 10 3 15 12 7

(a)  

19 10 20 7 14 12

(a)  

14 1 5 18 12

(a)