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#include <bits/stdc++.h>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n , st[20];
void Afis(int k)
{
for(int i = 1;i <= k;i++)
fout << st[i] << " ";
fout << "\n";
}
int Valid(int top)
{
if(top > n) return 0;
if(top > 1 and st[top - 1] >= st[top]) return 0;
return 1;
}
void Back(int top)
{
for(int i = 1;i <= n;i++)
{
st[top] = i;
if(Valid(top))
{
Afis(top);
Back(top + 1);
}
}
}
int main()
{
fin >> n;
Back(1);
return 0;
}
/**
*/