func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n, a, b;       string s =   , s1;       cin >> n >> a >> b;       for (int i = 0; i < b; i++) s += ( a  + i);       for (int i = b; i < a; i++) s +=  a ;       s1 = s;       int x = n / a, y = n % a;       x--;       while (x--) {         s += s1;       }       for (int i = 0; i < y; i++) s += s1[i];       cout << s << endl;     }   }   