#include<fstream>
#include<cstring>
using namespace std;
int T,n,pi[1000100];
char s[1000100];

inline int Prefix()
{
    int i,k=0;
    pi[1]=0;
    for(i=2;i<=n;i++)
    {
        while(k && s[k+1]!=s[i])
            k=pi[k];
        if(s[k+1]==s[i])
            k++;
        pi[i]=k;
    }
    for(i=n;i>0;i--)
    {
        if(pi[i]>0 && i%(i-pi[i])==0)
            return i;
    }
    return 0;
}

int main()
{
    ifstream f("prefix.in");
    ofstream g("prefix.out");
    f>>T;
    while(T--)
    {
        f>>(s+1);
        n=strlen(s+1);
        g<<Prefix()<<"\n";
    }
    f.close();
    g.close();
    return 0;
}