N= 25  f= 23.921000
1   1
2   1
3   1
4   1
5   0
6   1
7   0
8   0
9   1
10   0
11   0
12   0
13   0
14   1
15   0
16   1
17   0
18   0
19   0
20   1
21   0
22   0
23   0
24   1
25   0