N= 25  f= 17.270833
1   0
2   0
3   0
4   1
5   1
6   0
7   0
8   1
9   0
10   0
11   0
12   1
13   1
14   1
15   1
16   0
17   0
18   1
19   1
20   1
21   0
22   0
23   0
24   1
25   1