func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long N = 1e5, OO = 1e14;   const int di[] = {1, -1, 0, 0};   const int dj[] = {0, 0, 1, -1};   long long TC, n, m, k, a, b, c, cnt, u, mx, mn, ans, arr[N];   bool f, vis[N], mark[N];   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cin >> TC;     while (TC--) {       cin >> n >> m;       cnt = f = 0;       m += (2 * n);       for (int i = 1; i <= n && !f; i++) {         for (int j = i + 1; j <= n; j++) {           cout << i <<     << j <<   n ;           if (++cnt == m) {             f = 1;             break;           }         }       }     }     return 0;   }   