func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, a[100009];   int main() {     cin >> n;     if (n == 1)       cout << 1;     else if ((n / 2) % 2 == 1)       cout << -1;     else {       for (int i = 1; i <= (n / 2 / 2); i++) {         a[i * 2 - 1] = i * 2;         a[i * 2] = n - (i - 1) * 2;         a[n - i * 2 + 1] = i * 2 - 1;         a[n - (i - 1) * 2] = n - (i - 1) * 2 - 1;         if (n % 2 == 1) a[n / 2 + 1] = n / 2 + 1;       }       for (int i = 1; i <= n; i++) cout << a[i] <<    ;     }     return 0;   }   