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#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream cin("ppermutari.in");
ofstream cout("ppermutari.out");
vector<int>v;
vector<int>v2[50005];
int n,nr=0;
bool luat[10];
void backtracking(int val)
{
if(val==n+1)
{
if(v.size()!=n)
return ;
v2[nr]=v;
nr++;
return ;
}
backtracking(val+1);
for(int i=1; i<=n; i++)
{
if(!luat[i])
{
v.push_back(i);
luat[i]=1;
backtracking(val+1);
luat[i]=0;
v.pop_back();
}
}
}
int main()
{
cin>>n;
backtracking(1);
sort(v2,v2+nr);
for(int i=0; i<nr; i++)
{
for(int j=0; j<n; j++)
cout<<v2[i][j]<<" ";
cout<<'\n';
}
return 0;
}