func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     ;     int q;     cin >> q;     while (q--) {       int n;       cin >> n;       int a = 100000, b = 100000, c = -100000, d = -100000;       vector<bool> ok(4, false);       for (int i = 0; i < n; i++) {         int x, y;         cin >> x >> y;         int f[4];         for (int j = 0; j < 4; j++) cin >> f[j];         if (f[0] == 0) d = max(d, x), ok[0] = true;         if (f[1] == 0) a = min(a, y), ok[1] = true;         if (f[2] == 0) b = min(b, x), ok[2] = true;         if (f[3] == 0) c = max(c, y), ok[3] = true;       }       if (a < c || d > b)         cout << 0;       else         cout << 1 <<     << (d + b) / 2 <<     << (a + c) / 2;       cout << endl;     }   }   