N= 25  f= 15.121429
1   0
2   0
3   0
4   0
5   0
6   0
7   0
8   0
9   0
10   1
11   0
12   0
13   0
14   0
15   1
16   0
17   1
18   1
19   0
20   0
21   0
22   1
23   0
24   1
25   1