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#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[10],viz[10];
void bkt(int);
int main()
{
fin>>n;
bkt(1);
return 0;
}
void bkt(int p)
{
if(p==n+1)
{
for(int i=1;i<=p-1;i++)
fout<<x[i]<<" ";
fout<<"\n";
return;
}
for(int i=1;i<=n;i++)
{
x[p]=i;
viz[x[p]]++;
if(viz[x[p]]>1)
continue;
bkt(p+1);
viz[x[p]]=0;
}
}