func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n, m, k;       cin >> n >> m >> k;       int i = 0;       while (k--) {         int j = i;         for (int h = 0; h < m; h++) {           int x = h < n % m ? n / m + 1 : n / m;           cout << x;           while (x--) {             cout <<     << ++j;             j %= n;           }           if (h < n % m) i = j;           cout <<   n ;         }       }     }     return 0;   }   