#include #include #include #include #include #include #include #include #include #include #include #include #include #define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl; #define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl; template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; typedef long long ll; template vector> vec2d(int n, int m, T v){ return vector>(n, vector(m, v)); } template vector>> vec3d(int n, int m, int k, T v){ return vector>>(n, vector>(m, vector(k, v))); } template void print_vector(vector v, char delimiter=' '){ if(v.empty()) { cout << endl; return; } for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter; cout << v.back() << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; int n; cin >> n; vector a, b; if(n%3 == 0){ for(int i = 0; i < n-1; i++){ a.push_back(3*i); b.push_back(1+3*i); } a.push_back(4*n); b.push_back(3*n+1); }else if(n%3 == 1){ int x = 0; for(int i = 0; i < n-1; i++){ if(x == 0 || 3*x == n-1){ x++; } a.push_back(x*3); b.push_back(x*3+1); x++; } a.push_back(n-1); b.push_back(0); }else{ int x = 0; for(int i = 0; i < n-2; i++){ while(x == 0 || x == 1 || 3*x == n+1 || 3*x == 2*n-4){ x++; } a.push_back(x*3); b.push_back(x*3+1); x++; } a.push_back(2*n-4); b.push_back(0); a.push_back(3); b.push_back(n+1); } sort(a.begin(), a.end()); sort(b.begin(), b.end()); print_vector(a); print_vector(b); // debug_value(accumulate(a.begin(), a.end(), 0)); // debug_value(accumulate(b.begin(), b.end(), 0)); }