#include<fstream.h>
#define N 10000000
char s[N],w[N],c;
long n,k,p[N],i,j,q,r[N],max,l,d,v[N],u,t;
int main()
{ifstream f("prefix.in");
ofstream g("prefix.out");
f>>t>>c;
while(t--)
      {f.getline(s,1200000);
      n=strlen(s);
      k=q=l=p[1]=r[1]=u=max=0;
      for(i=2;i<n;i++)
            {while(k>0&&s[k+1]!=s[i])
                    k=p[k];
            if(s[k+1]==s[i])
                    k++;
            p[i]=k;
            if(p[i]>max)
                    {max=p[i];
                    j=i-max;}}
      for(i=0;i<j;i++)
            w[i]=s[i];
      for(i=2;i<j;i++)
            {while(q>0&&w[q+1]!=w[i])
                   q=r[q];
            if(w[q+1]==w[i])
                   q++;
            r[i]=q;}
      for(i=1;i<n;i++)
            {while(l>0&&w[l+1]!=s[i])
                   l=r[l];
            if(w[l+1]==s[i])
                   l++;
            if(l==j-1&&w[0]==s[i-l])
                   v[++u]=i-j+1;}
      d=v[1]+j;
      for(i=2;i<=u;i++)
      if(v[i]-v[i-1]==j)
            d=v[i]+j;
      else
            break;
      g<<d<<"\n";}
f.close();
g.close();
return 0;}