func_code_string: #include <bits/stdc++.h>   using namespace std;   void p(vector<int> a) {     int x = 0;     for (int y : a) {       if (x) printf(   );       printf( %d , y);       x = 1;     }     puts(  );   }   int main() {     int n;     cin >> n;     if (n % 2 == 0) return !printf( -1 n );     vector<int> a, b, c;     for (int i = 0; i < n; ++i) a.emplace_back(i), b.emplace_back(i);     for (int i = 0; i < n; ++i) c.emplace_back((a[i] + b[i]) % n);     p(a);     p(b);     p(c);   }   