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#include <fstream>
using namespace std;
ifstream cin("prefix.in");
ofstream cout("prefix.out");
int main()
{
ios::sync_with_stdio(false);
cin.tie();
cout.tie();
int t;
cin>>t;
while(t--)
{
string s;
int cnt1=1,cnt=1,maxx=0,k=0;
cin>>s;
for(int i=1; i<s.size(); i++)
{
if(s[i]==s[k])
k++;
else
{
k=0;
cnt1=1;
cnt=i;
if(s[i]==s[k])
k++;
else cnt=i+1;
}
if(k==cnt)
{
cnt1++;
if(cnt1>1)
maxx=max(maxx,cnt1*k);
k=0;
}
}
cout<<maxx<<'\n';
}
return 0;
}