N= 25  f= 20.790000
1   0
2   0
3   1
4   1
5   0
6   1
7   1
8   1
9   0
10   0
11   0
12   1
13   0
14   0
15   1
16   1
17   0
18   1
19   0
20   1
21   0
22   0
23   0
24   0
25   0