#include <iostream>
#include <fstream>

using namespace std;

ifstream in("prefix.in");
ofstream out("prefix.out");

int t[1111111];
char s[1111111];

inline bool perioada(int n)
{
    int k=n-t[n];
    if(n%k==0 && n/k!=1)
        return true;
    return false;
}

void solve()
{
    int i,p=0,maxim=0,k=0;
    in.getline(s+1,1111111);
    t[1]=-1;
    for(i=2;s[i];++i)
    {
        while(k && s[i]!=s[k+1])
            k=t[k];
        if(s[i]==s[k+1])
            ++k;
        t[i]=k;
    }
    for(i--;i;i--)
        if (perioada(i))
        {
            out<<i<<"\n";
            return;
        }
    out<<"0\n";
}

int main()
{
    int t,i;
    in>>t;
    in.getline(s,10);
    for(i=1;i<=t;++i)
        solve();
    return 0;
}