#include<cstdio>
#include<cstring>
#define LMAX 1000000
using namespace std;
int t,LA,pi[LMAX],sol;
char A[LMAX];
void prefix()
{
    int i,q=0;
    for(i=2;i<=LA;i++)
    {
        for(;q;)
        {
            if(A[i]==A[q+1]) break;
            q=pi[q];
        }
        if(A[i]==A[q+1]) q++;
        pi[i]=q;
    }
    for(i=LA;i>=1;i--)
        if(pi[i] && i%(i-pi[i])==0) {sol=i; break;}
}
int main()
{
    freopen("prefix.in","r",stdin);
    freopen("prefix.out","w",stdout);
    scanf("%d",&t);
    for(;t;--t)
    {
        scanf("%s",A+1);
        LA=strlen(A+1);
        sol=0;
        prefix();
        printf("%d\n",sol);
    }
    return 0;
}