#include<fstream>
#include<cstring>
using namespace std;
char P[1000005];
int rez[1000005];
int m,t;
void prefix()
{
    int k=0;
    rez[1]=0;
    for (int q=2;q<=m;++q)
    {
        while (k>0 && P[k+1]!=P[q]) k=rez[k];
        if (P[k+1]==P[q]) ++k;
        rez[q]=k;
    }
}
int main()
{
    int i,j;
    ifstream f("prefix.in");
    ofstream g("prefix.out");
    f>>t;f.get();
    for (i=1;i<=t;++i)
    {
        f.getline(P+1,1000000);
        m=strlen(P+1);
        memset(rez,0,sizeof(rez));
        prefix();
        for (j=m;j>=1;j--)
        {
            if (rez[j]!=0 && j%(j-rez[j])==0)
            {
                g<<j<<'\n';
                break;
            }
        }
        if (j==0) g<<'0'<<'\n';
    }
    return 0;
}