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#include <bits/stdc++.h>
using namespace std;
ifstream f("prefix.in");
ofstream g("prefix.out");
int urm[1000005],n,k,i,T,ok;
char N[1000005];
int main()
{
f>>T;
while(T)
{
f>>N;
n=strlen(N);
k=0;
urm[0]=0;
for(i=2; i<=n; i++)
{
while(k>0&&N[k]!=N[i-1]) k=urm[k];
if(N[k]==N[i-1]) k++;
urm[i]=k;
}
ok=0;
for(i=n; i>=0; i--)
{
if(urm[i]!=0&&(i%(i-urm[i])==0))
{
g<<i<<'\n';
ok=1;
break;
}
}
if(ok==0) g<<0<<'\n';
T--;
}
return 0;
}