func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     int n;     cin >> n;     int a = 1, b = n * n;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= n / 2; j++) {         if (j > 1) cout <<    ;         cout << a <<     << b;         a++, b--;       }       cout << endl;     }   }   