#include <bits/stdc++.h>
using namespace std;
char v[1000002];
int pee[1000002];
int main()
{
    int t,i,n,k,rez;
    ios::sync_with_stdio(false);
    ifstream in("prefix.in");
    ofstream out("prefix.out");
    in>>t;
    while(t--)
    {
        in>>v+1;
        for(n=1; isalpha(v[n]); n++);
        n--;
        for(i=1; i<=n; i++)
            pee[i]=0;
        k=0;
        rez=0;
        for(i=2; i<=n; i++)
        {
            while(k && v[k+1]!=v[i])
                k=pee[k];
            if(v[k+1]==v[i])
                ++k;
            if(i%(i-k)==0 && k)
                rez=i;
            pee[i]=k;
        }
        out<<rez<<"\n";
    }

    return 0;
}