#include<fstream>
#include<vector>
#include<set>

using namespace std;

ifstream in("permutari.in");
ofstream out("permutari.out");

int n;

void solve(vector<int> sol, set<int> s, int i)
{
	sol.push_back(i);
	s.insert(i);
	if(s.size()==n)
	{
		for(i=0;i<n;i++)
			out<<sol.at(i)<<" ";
		out<<'\n';
	}
	else
		for(i=1;i<=n;i++)
			if(!s.count(i))
				solve(sol,s,i);
}

int main()
{
	in>>n;
	vector<int> sol;
	set<int> s;
	int i;
	for(i=1;i<=n;i++)
		solve(sol,s,i);
}