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#include<iostream>
using namespace std;
bool folosit[1000];
int v[1000];
int n,js;
void bkt(int x);
int main()
{
cin>>n;
for(int i=1;i<=n;++i)
{
js=i;
bkt(1);
for(int i=1;i<=n;++i)
v[i]=0;
}
}
void bkt(int x){
if(x>js)
{
for(int i=1;i<=js;++i)
cout<<v[i]<<" ";
cout<<endl;
}
else
{
for(int i=1;i<=js;++i){
if(folosit[i])
continue;
folosit[i]=1;
v[x]=i;
bkt(x+1);
folosit[i]=0;
}
}
}