#include <fstream>
#include <cstring>
using namespace std;
ifstream fin("prefix.in");
ofstream fout("prefix.out");
#define dim 1000007
char v[dim];
int pi[dim],sol;
int n;

void read()
{
	sol=0;
	char c;
	fin>>v;
}

void make_prefix()
{
	int i, q=-1;
	pi[0]=-1;
	int n=strlen(v)-1;
	for(i=1;i<=n;++i)
	{
		while(q>=0 && v[q+1]!=v[i])
			q=pi[q];
		if(v[q+1]==v[i])
			++q;
		pi[i]=q;
		
		if(pi[i]>=0 && ((i+1)%(i-pi[i]))==0)
			sol=i+1;
	}
	fout<<sol <<'\n';
}

int main()
{
	int t;
	fin>>t;fin.get();
	
	for(;t;--t)
	{
		read();
		make_prefix();
	}
	return 0;
}