0
____________________
2
____________________
____________________
5
____________________
____________________
8
____________________
10
____________________
____________________
____________________
____________________
15
____________________
____________________
18
____________________
20
____________________
____________________
____________________
24
____________________
____________________
____________________
28
____________________
30
____________________
____________________
____________________
34
____________________
36
____________________
____________________
3
9