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#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
int n, viz[100], sol[100];
void afisare()
{
for(int i=1; i<=n; i++)
printf("%d ", sol[i]);
printf("\n");
}
void backt(int poz)
{
if(poz==n+1)
afisare();
else
for(int i=1; i<=n; i++)
if(viz[i]==0){
viz[i] = 1;
sol[poz] = i;
backt(poz+1);
viz[i] = 0;
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
scanf("%d", &n);
backt(1);
return 0;
}