#include <iostream>
int main(){
int n, s1, s2;
std::cin >> n;
s1 = s2 = 0;
for (int i = n; i > 0; i--){
if (s1 < s2) {
s1 += i;
std::cout << i << " ";
} else {
s2 += i;
}
}
std::cout << "\n";
s1 = s2 = 0;
for (int i = n; i > 0; i--){
if (s1 < s2) {
s1 += i;
} else {
s2 += i;
std::cout << i << " ";
}
}
std::cout << "\n";
}