#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;

void solve() {
    std::string s;
    std::cin >> s;
    
    int i = 0;
    while (i < s.size() && s[i] == s[0]) {
        i++;
    }
    std::rotate(s.begin(), s.begin() + i, s.end());
    
    bool even = false;
    int ans = 0;
    for (int i = 0, j = 0; i < s.size(); i = j) {
        while (j < s.size() && s[i] == s[j]) {
            j++;
        }
        ans += (j - i) / 2;
        even |= (j - i) % 2 == 0;
    }
    if (even) {
        ans--;
    }
    std::cout << ans << "\n";
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int t;
    std::cin >> t;
    
    while (t--) {
        solve();
    }
    
    return 0;
}