#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vll vector<ll>
#define vpl vector<pair<long long, long long>>
#define _fastio ios_base:: sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define lmax LONG_LONG_MAX
#define lmin LONG_LONG_MIN
#define mxn 200007
#define endl <<'\n'
// #pragma GCC target("sse4")
// #pragma GCC target ("sse4.2")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("avx,avx2,fma")
// #pragma GCC optimize("03")
// #pragma GCC optimize("unroll loops")
ll t, n, m, k, w;
string s, s1;
// const int mod = 1e9 + 7;
#define all(x) x.begin(), x.end()
#define MAXLEN 1000010
constexpr uint64_t mod = (1ULL << 61) - 1;
const uint64_t seed = chrono::system_clock::now().time_since_epoch().count();
const uint64_t base = mt19937_64(seed)() % (mod / 3) + (mod / 3);
uint64_t base_pow[MAXLEN];
int64_t modmul(uint64_t a, uint64_t b){
uint64_t l1 = (uint32_t)a, h1 = a >> 32, l2 = (uint32_t)b, h2 = b >> 32;
uint64_t l = l1 * l2, m = l1 * h2 + l2 * h1, h = h1 * h2;
uint64_t ret = (l & mod) + (l >> 61) + (h << 3) + (m >> 29) + (m << 35 >> 3) + 1;
ret = (ret & mod) + (ret >> 61);
ret = (ret & mod) + (ret >> 61);
return ret - 1;
}
void init(){
base_pow[0] = 1;
for (int i = 1; i < MAXLEN; i++){
base_pow[i] = modmul(base_pow[i - 1], base);
}
}
struct PolyHash{
/// Remove suff vector and usage if reverse hash is not required for more speed
vector<int64_t> pref;
PolyHash() {}
template <typename T>
PolyHash(const vector<T>& ar){
if (!base_pow[0]) init();
int n = ar.size();
assert(n < MAXLEN);
pref.resize(n + 3, 0);
for (int i = 1; i <= n; i++){
pref[i] = modmul(pref[i - 1], base) + ar[i - 1] + 997;
if (pref[i] >= mod) pref[i] -= mod;
}
}
PolyHash(const char* str)
: PolyHash(vector<char> (str, str + strlen(str))) {}
PolyHash(string str)
: PolyHash(vector<char> (all(str))) {}
uint64_t get_hash(int l, int r){ // 0-based indexing
int64_t h = pref[r + 1] - modmul(base_pow[r - l + 1], pref[l]);
return h < 0 ? h + mod : h;
}
};
signed main()
{
_fastio;
ll tc = 0;
cin >> t;
while (t--)
{
cin >> s;
n = s.size();
PolyHash hs(s);
ll ans = 0, l1 = 0, r1 = 0, l2 = n - 1, r2 = n - 1;
while (r1 < l2)
{
if (hs.get_hash(l1, r1) == hs.get_hash(l2, r2))
{
ans += 2;
l1 = r1 = r1 + 1;
r2 = l2 = l2 - 1;
continue;
}
r1++;
l2--;
}
if (r1 != l2 - 1)
{
ans++;
}
cout << ans endl;
}
return 0;
}
