#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define Nmax 1000010

int T, PI[Nmax], N;
char A[Nmax];

void Solve()
{
    memset(PI, 0, sizeof(PI));
    int i, P = 0;
    PI[1] = 0;
    for(i = 2; i <= N; i++)
    {
        while(P && A[P + 1] != A[i]) P = PI[P];
        if(A[P + 1] == A[i]) P ++;
        PI[i] = P;
    }
    for(i = N; i; i--)
        if(PI[i] && i % (i - PI[i]) == 0)
        {
            printf("%i\n", i);
            return ;
        }
    printf("0\n");
}

int main()
{
    freopen("prefix.in", "r", stdin);
    freopen("prefix.out", "w", stdout);
    scanf("%i\n", &T);
    for(; T; T --)
    {
        gets(A + 1);
        N = strlen(A + 1);
        Solve();
    }
    return 0;
}