1   0
 2   0
 3   0
 4   0
 5   0
 6   0
 7   0
 8   0
 9   0
10   0
11   0
12   0
13   0
14  16
15  20
16  10
17  14
18  15
19  20
20  21
21  18
22  13
23  16
24   5
25  10
26  11
27  15
28  23
29  23
30  17