#include <fstream>
#include <cstring>
#define size 1000001
using namespace std;
char s[size];
int n, i, m, j, x, pi[size], nr;
ifstream fin("prefix.in");
ofstream fout("prefix.out");
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>s+1;
        m=strlen(s+1);
        x=0; pi[1]=pi[0]=0; nr=0;
        for(j=2;j<=m;j++)
        {
            while(s[j]!=s[x+1]&&x>0)
                x=pi[x];
            if(s[j]==s[x+1])
                x++;
            pi[j]=x;
            if(x && x%(j-x)==0)
                nr=j;
        }
        fout<<nr<<'\n';
    }
    return 0;
}