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

const int nmx = 1000000;

int n,pr[nmx];
char s[nmx];

int prefix(){
    int i = 1, j = 0, l = strlen(s), nr = 0;
    pr[0] = 0;
    while(i < l){
        if(s[i] != s[j]){
            pr[i] = 0;
            if(j)
                j = pr[j-1];
            else
                ++ i;
        }
        else{
            pr[i] = j + 1;
            ++ j;
            ++ i;
        }
    }
    for(int i = l - 1; i > 0; --i)
        if(pr[i] && i+1 - pr[i] && ((i+1) % (i+1 - pr[i]) == 0))
            return i+1;
    return 0;
}

int main(){
    freopen("prefix.in", "r", stdin);
    freopen("prefix.out", "w", stdout);
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i){
        scanf("%s", s);
        printf("%d\n", prefix());
    }
    return 0;
}