#include <iostream>
#include <fstream>
#define Nmax 1000005
using namespace std;
ifstream fin("prefix.in");
ofstream fout("prefix.out");
int T,pi[Nmax];
string s;
int main()
{
    fin>>T;
    for(int t=1;t<=T;t++)
    {
        int mmax=0,ok=1;
        fin>>s;
        s.push_back('a');
        for(int i=s.size()-1;i>=1;i--)s[i]=s[i-1];
        s[0]=' ';
        for(int i=1;i<s.size();i++)pi[i]=0;
        int q=0;
        pi[1]=0;
        for(int i=2;i<s.size();i++)
        {
            while(q && s[q+1]!=s[i])q=pi[q];
            if(s[q+1]==s[i])q++;
            pi[i]=q;
            if(pi[i]!=0 && i%(i-pi[i])==0 && ok==1)
            if(i>mmax)mmax=i;
        }
        fout<<mmax<<'\n';
    }
    return 0;
}