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#include<iostream>
#include<fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int N,*a;
void afisare(int n)
{
for(int i =1; i<=n;i++)
g<<a[i]<<" ";
g<<endl;
}
bool valid(int k)
{
if(a[k-1] >= a[k] && k>1)
return false;
return true;
}
void backtracking(int k)
{
int i;
for(i=1;i<=N;i++)
{
a[k] = i;
if(valid(k))
{
afisare(k);
if(k<N)
backtracking(k+1);
}
}
}
int main()
{
f>>N;
a = new int[N+1];
//for(int i=1;i<=N;i++)
// a[i]=0;
backtracking(1);
f.close();
g.close();
return 0;
}