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#include<bits/stdc++.h>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout("permutari.out");
int n,st[13];
int val (int p)
{
int i;
for (i=1;i<p;i++)
if (st[i]==st[p])
return 0;
return 1;
}
int sol (int p)
{
return p==n;
}
void afis (int p)
{
int i;
for (i=1;i<=p;i++)
fout<<st[i]<<" ";
fout<<'\n';
}
void bk (int p)
{
int i;
for (i=1;i<=n;i++)
{
st[p]=i;
if (val(p))
if (sol(p))
afis(p);
else
bk(p+1);
}
}
int main ()
{
fin>>n;
bk(1);
return 0;
}