// Day6V2.cpp : Defines the entry point for the console application.
//

#include <iostream>
#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int st[20], n, m = 1;
void afisare() {
	for (int i = 1; i <= m; ++i) 
		cout << st[i] << " ";
	cout << "\n";
}
int valid(int k) {
	for (int i = 1; i < k; ++i) {
		if (st[i] == st[k] || st[k] > st[k - 1])
			return 0;
	}
	return 1;
}
void BK(int k) {
	for (int i = 1; i <= n; ++i) {
		st[k] = i;
		if (valid(k))
			if (k == m)
				afisare();
			else
				BK(k + 1);
	}
}
int main()
{
	f >> n;
	while (m <= n) {
		BK(1);
		++m;
	}
    return 0;
}