#include <bits/stdc++.h>
using namespace std;

bool ok(const string &s) {
  string t(s.rbegin(), s.rend());
  return s == t;
}

int main(int argc, char const *argv[]) {
  int n;
  cin >> n;
  while (n--) {
    cin >> s;
    while (ok(s)) s = s.substr(0, s.length() / 2);
    cout << s.length() << endl;
  }

  return 0;
}