func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 0x3f3f3f3f;   const int N = 1020;   int main() {     int n;     cin >> n;     if (n % 2 == 0) {       cout << -1 << endl;     } else {       cout << 0;       for (int i = 1; i < n; i++) {         cout <<     << i;       }       cout << endl;       cout << 0;       for (int i = 1; i < n; i++) {         cout <<     << i;       }       cout << endl;       cout << 0;       for (int i = 1; i < n; i++) {         cout <<     << (i + i) % n;       }       cout << endl;     }     return 0;   }   