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#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <cstring>
using namespace std;
string NumeFisier = "submultimi";
ifstream fin(NumeFisier + ".in");
ofstream fout(NumeFisier + ".out");
typedef unsigned long long int ull;
int n, sol[18];
void print(int k)
{
for (int i = 1; i <= k; i++)
fout << sol[i] << " ";
fout << '\n';
}
bool check(int k)
{
if (k == 1)
return 1;
if (sol[k - 1] >= sol[k])
return 0;
return 1;
}
void back(int k)
{
if (k <= n)
for (int i = 1; i <= n; i++)
{
sol[k] = i;
if (check(k))
{
print(k);
back(k + 1);
}
}
}
int main()
{
fin >> n;
back(1);
}