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#include <bits/stdc++.h>
#define all(cont) cont.begin(), cont.end()
#define pb push_back
#define fi first
#define se second
#define DEBUG(x) cerr << (#x) << ": " << (x) << '\n'
using namespace std;
typedef pair <int, int> pii;
typedef vector <int> vi;
typedef long long ll;
typedef unsigned long long ull;
ifstream f ("prefix.in");
ofstream g ("prefix.out");
const int NMAX = 1e6 + 5;
int pi[NMAX];
char s[NMAX];
void computePi (int n) {
pi[1] = 0;
int cnd = 0;
for (int i = 2; i <= n; ++i) {
while (cnd && s[cnd + 1] != s[i]) {
cnd = pi[cnd];
}
if (s[cnd + 1] == s[i]) {
++cnd;
}
pi[i] = cnd;
}
}
void solveTest() {
f.getline (s + 1, NMAX);
int n = strlen (s + 1);
computePi (n);
for (int i = n; i >= 1; --i) {
if (pi[i] == 0) continue;
if ((i - (i - pi[i])) % (i - pi[i]) == 0) {
g << i << '\n';
return;
}
}
g << "0\n";
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
#ifdef LOCAL_DEFINE
freopen (".in", "r", stdin);
#endif
int t;
f >> t;
f.get();
while (t--) {
solveTest();
}
f.close();
g.close();
return 0;
}