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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
bool viz[10];
int sol[10];
void Afisare()
{
for(int i=1;i<=n;i++)
{
fout<<sol[i]<<" ";
}
fout<<"\n";
}
void Back(int x)
{
if(x==n+1)
{
Afisare();
}
else
{
for(int i=1;i<=n;i++)
{
if(viz[i]==0)
{
sol[x]=i;
viz[i]=1;
Back(x+1);
viz[i]=0;
}
}
}
}
int main()
{
fin>>n;
Back(1);
return 0;
}