#include <cstdio>
#include <cstring>

using namespace std;

char s[1000010];
int v[1000010];
int lim,t,i,k,sol;

int main()
{
    freopen("prefix.in", "r", stdin);
    freopen("prefix.out", "w", stdout);
    scanf("%d",&t);
    for(;t;t--)
    {
        scanf("%s\n",s+1);
        v[1]=0;
        k=0;
        lim=strlen(s+1);
        for(i=2;i<=lim;i++)
        {
            while(k && s[k+1]!=s[i]) k=v[k];
            if(s[k+1]==s[i]) k++;
            v[i]=k;
        }
        sol=0;
        for(i=lim;i>1;i--)
        {
            if(v[i] && i%(i-v[i])==0)
            {
                sol=i;
                break;
            }
        }
        printf("%d\n",sol);
    }
    fclose(stdin);fclose(stdout);
    return 0;
}