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