//
//  main.cpp
//  probleme2018-2019 (este 2020 noobule)

#include <fstream>
#include <iostream>
using namespace std;
ifstream fin ("prefix.in");
ofstream fout ("prefix.out");

char s[1000001], x, pi[1000001], now;
int n, t;

int calc_pi(char v[1000001])
{
    int i, per;
    pi[1] = 0;
    per = 0;
    for (i = 2; i<= n; i++)
    {
        now = pi[i-1];
        while (s[now+1] != s[i] && now > 0)
            now = pi[now];
        if(s[now+1] == s[i])
            now++;
        pi[i] = now;
        if(pi[i] != 0 && i%(i - pi[i]) == 0 && i > per)
            per = i;
    }
    return per;
}

int main()
{
    int i;
    fin >> t;
    fin.get();
    for (i = 1; i<= t; i++)
    {
        n = 0;
        x = fin.get();
        while (x != '\n' && x != EOF)
        {
            n++;
            s[n] = x;
            x = fin.get();
        }
        fout << calc_pi(s) << '\n';
    }
    
    return 0;
}

//program functional