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#include <iostream>
#include <stdio.h>
using namespace std;
int n, viz[9], sol[9];
void bt(int k)
{
if (k==n)
{
for (int i=0; i<k; i++)
printf("%d ", sol[i]);
printf("\n");
return;
}
for (int v=1; v<=n; v++)
{
if (!viz[v])
{
viz[v]=1;
sol[k]=v;
bt(k+1);
viz[v]=0;
}
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
scanf("%d", &n);
bt(0);
return 0;
}