#include<fstream>
using namespace std;
ifstream  fin("submultimi.in");
ofstream fout("submultimi.out");
int n,n2,i,j,x;
int main(){
    fin>>n;
    n2=(1<<n)-1;
    for(i=1;i<=n2;i++){
        x=i;
        for(j=1;j<=n && x;j++){
            if(x%2==1){
                fout<<j<<" ";
            }
            x=x/2;
        }
        fout<<"\n";
    }
    fout.close();
    fin.close();
    return 0;
}