#include <cstring>
#include <cstdio>

#define NMAX 1000005

using namespace std;

int pi[1000005];
char c[NMAX];

int main()
{
    freopen("prefix.in" , "r" , stdin);
    freopen("prefix.out" , "w" , stdout);

    short int T;
    scanf("%d\n" , &T);

    while(T--) {
        gets(c + 1);
        int n = strlen(c + 1);
        pi[1] = 0;
        int k = 0;
        for(int i = 2 ; i <= n ; ++i) {
            while(k>0 && c[i]!=c[k + 1]) k=pi[k];
            if(c[i]==c[k + 1]) ++k;
            pi[i]=k;
        }
        bool ok=1;
        for(int i=n ; i>=1 ; --i){
            if(pi[i]!=0 && i%(i-pi[i])==0){
                printf("%d\n",i);
                ok=0;
                break;
            }
        }
        if(ok) printf("0\n");
    }
    return 0;
}