#include<iostream>
#include<fstream>
#include<string.h>
using namespace std;
char c[1000001];
int v[1000001],n;
int prefix()
{
	int i,q,max;
	q=0;
	v[1]=0;
	max=0;
	for(i=2;i<=n;i++) {
		while((q)&&(c[i]!=c[q+1]))
			q=v[q];
		if(c[i]==c[q+1])
			q++;
		v[i]=q;
		if((v[i])&&(i%(i-v[i])==0))
			max=i;
	}
	return max;
}
int main ()
{
	int t,i;
	ifstream f("prefix.in");
	ofstream g("prefix.out");
	f>>t;
	for(i=1;i<=t;i++) {
		f>>c+1;
		n=strlen(c+1);
		c[0]=' ';
		g<<prefix()<<'\n';
	}
	f.close();
	g.close();
	return 0;
}