#include <bits/stdc++.h>

using namespace std;
ifstream in("prefix.in");
ofstream out("prefix.out");
int t,n,p[1000100],ok;
char v[1000100];
void makep(char v[],int n)
{
    int j=0;
    int i=2;
    p[1]=0;
    while(i<=n)
    {
        while(v[i]!=v[j+1]&&j>0) j=p[j];
        if(v[i]==v[j+1]) j++;
        p[i]=j;
        i++;
    }
}
int main()
{
    in>>t;
    while(t--)
    {
        in>>(v+1);
        ok=0;
        n=strlen(v+1);
        makep(v,n);
        for(int i=n;i>0;i--)
           if(i%(i-p[i])==0&&p[i]!=0)
        {
            out<<i<<'\n';
            i=0;
            ok=1;
        }
        if(!ok) out<<ok<<'\n';
    }
    return 0;
}