func_code_string: #include <bits/stdc++.h>   using namespace std;   bool possible(int smaller, int bigger) { return (bigger <= smaller * 3 + 1); }   int main() {     ios::sync_with_stdio(false);     int q;     cin >> q;     for (int i = 0; i < q; ++i) {       int b, w;       cin >> b >> w;       if ((b < w && !possible(b, w)) || (w < b && !possible(w, b))) {         cout <<  NO  << endl;         continue;       }       cout <<  YES  << endl;       int offset = (b < w) ? 1 : 0;       if (b < w) swap(b, w);       int column = 1;       while (w + 1 < b) {         cout << column <<     << (2 + offset) << endl;         column++;         cout << column <<     << (1 + offset) << endl;         cout << column <<     << (2 + offset) << endl;         cout << column <<     << (3 + offset) << endl;         column++;         w -= 1;         b -= 3;       }       if (w < b) {         cout << column <<     << (2 + offset) << endl;         b--;         column++;       }       for (; 0 < b; b--) {         cout << column <<     << (1 + offset) << endl;         cout << column <<     << (2 + offset) << endl;         column++;       }     }   }   