N= 25  f= 19.459167
1   0
2   0
3   1
4   1
5   0
6   0
7   1
8   1
9   0
10   0
11   1
12   0
13   1
14   0
15   1
16   1
17   1
18   0
19   0
20   1
21   1
22   0
23   1
24   0
25   0