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#include <cstdio>
int n, st[9];
int valid(int k){
int i;
for(i=1; i<k; ++i)
if(st[i]==st[k])
return 0;
return 1;
}
void afisare(int n){
int i;
for(i=1; i<=n; ++i)
printf("%d ", st[i]);
printf("\n");
}
void back(int k){
if(k==n+1)
afisare(n);
else
for(int i=1; i<=n; ++i){
st[k]=i;
if(valid(k)==1)
back(k+1);
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
scanf("%d", &n);
back(1);
return 0;
}