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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("bla.in");
ofstream fout("bla.out");
int n,v[11];
void afis(int k)
{
for(int i=1;i<=k;i++)
fout<<v[i]<<" ";
fout<<endl;
}
bool valid(int k)
{
if(v[k]>v[k-1])return true;
return false;
}
void backtr(int k)
{
for(int i=1;i<=n;i++)
{
v[k]=i;
if(valid(k)){afis(k);backtr(k+1);}
}
}
int main()
{
fin>>n;
backtr(1);
}