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#include <cstdio>
using namespace std;
int n,v[1000001];
void Afis(int x)
{
for(int i=1;i<=x;i++)
printf("%i ",v[i]);
printf("\n");
}
bool Valid(int x)
{
for(int i=1;i<x;i++)
if(v[i] >= v[x])
return false;
return true;
}
void Back(int k)
{
for(int i=1;i<=n;i++)
{
v[k] = i;
if(Valid(k))
{
Afis(k);
if(k!=n)
Back(k+1);
}
}
}
int main()
{
freopen("submultimi.in","r",stdin);
freopen("submultimi.out","w",stdout);
scanf("%i",&n);
Back(1);
return 0;
}