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#include <fstream>
#include<string.h>
#include <stdio.h>
#define NMAX 1000005
using namespace std;
ifstream f("prefix.in");
ofstream g("prefix.out");
char s[NMAX];
int k=0,N,n;
int P[NMAX];
int main()
{
f>>N;
for(int q=1 ;q<=N;++q)
{
f>>s+1;
n = strlen(s+1);
k=0;
for(int i=2;i<=n;++i)
{
for(;k!=0 && s[k+1]!=s[i];)k=P[k];
if(s[k+1]==s[i])k++;
P[i]=k;
}
for(int i=n;i>=1;--i)
{
if(P[i]!=0 && i%(i-P[i])==0)
{
g<<i<<'\n';
i=0;
}
if(i==1)
{
g<<"0"<<'\n';
}
}
}
return 0;
}