#include <bits/stdc++.h>
#define int long long
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define pb emplace_back
#define For(i, x, y) for (int i = (x); i <= (y); i ++)
#define rep(i, x, y) for (int i = (x); i >= (y); i --)
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
#define sz(v) (int)((v).size())
#define ull unsigned long long
#define ls (p << 1)
#define rs (p << 1 | 1)
#define mp make_pair
#define i128 __int128
#define db long double
#define vi vector< int >
#define mem(v, x) memset(v, x, sizeof(v))
#define A3 array< int, 3 >
#define A4 array< int, 4 >
#define vpii vector< pair< int, int > >
using namespace std;
mt19937_64 rnd(time(0));
template< typename T > void cmin(T &x, T y) { return x = min(x, y), void(); }
template< typename T > void cmax(T &x, T y) { return x = max(x, y), void(); }
int ksm(int x, int y, int p) {
    int v = 1; x %= p;
    while (y) v = 1ll * v * ((y & 1) ? x : 1) % p, x = 1ll * x * x % p, y >>= 1;
    return (v % p + p) % p;
}
bool MemoryST;
const int N = 1e6 + 5;
const int mod = 998244353;
const long long INF = 1e18;
const int base = 13131;
string s; 
int r[N], l[N];
void Main() {
	cin >> s; int n = sz(s); s = s + s; s = " " + s;
	bool flag = 1;
	For (i, 2, n) flag &= (s[i] == s[i - 1]);
	if (flag) return cout << n / 2 << '\n', void();
	int res = 0;
	for (int i = 1, j = 1; i <= n; i = j + 1) {
		j = i;
		while (j <= n && s[j] == s[i]) j ++;
		j --;
		res += (j - i + 1) / 2;
	}
	for (int i = 1, j = 1; i <= n; i = j + 1) {
		j = i;
		while (j <= 2 * n && s[j] == s[i]) j ++;
		j --;
		For (k, i, j) r[k] = j;
	}
	for (int i = 2 * n, j = 2 * n; i; i = j - 1) {
		j = i;
		while (j && s[j] == s[i]) j --;
		j ++;
		rep (k, i, j) l[k] = j;
	}
	int ans = res;
	For (i, 1, n) {
		if (s[i] == s[i + 1]) {
			int R = r[i];
			res -= (R - i + 1) / 2;
			res += (R - i) / 2;
		}
		if (s[i + n - 1] == s[i + n]) {
			int L = l[i + n];
			res -= (i + n - L) / 2;
			res += (i + n - L + 1) / 2;
		}
		cmin(ans, res);
	}
	cout << ans << '\n';
    return;
}
bool MemoryED;
signed main() {
    ios :: sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cerr << fixed << setprecision(6) << (&MemoryST - &MemoryED) / 1048576.0 << "MB\n";
    int TESTCNT = 1;
    cin >> TESTCNT;
    while (TESTCNT --) Main();
    cerr << endl << 1e3 * clock() / CLOCKS_PER_SEC << "ms"; 
    return 0;
}