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#include <cstdio>
#include <iostream>
using namespace std;
int n,st[18],t;
void afisare()
{
for(int i=1;i<=t;i++)
printf("%d ",st[i]);
printf("\n");
}
int valid(int y, int k)
{
for(int i=1;i<k;i++)
if(y<=st[i])
return 0;
return 1;
}
void back(int k)
{
if(k==t+1)
afisare();
else
for(int i=1;i<=n;i++)
if(valid(i,k)==1)
{
st[k]=i;
back(k+1);
}
}
int main()
{
freopen ("submultimi.in","r",stdin);
freopen ("submultimi.out","w",stdout);
scanf("%d",&n);
for(t=1;t<=n;t++)
back(1);
return 0;
}