#include <bits/stdc++.h>

using namespace std;

int number,
    binaryPow;

ifstream fin("submultimi.in");
ofstream fout("submultimi.out");

string binaryRepresentation;

template <class type>
vector<int> morphToGroup(type number){
    vector<int> result;

    type bit = 1<<(int)(log2(number));
    for ( ;number or bit; bit>>=1 ){
        if ( number - bit >= 0 ){
            result.push_back(log2(bit)+1);
            number -= bit;
        }
    }
    reverse(result.begin(), result.end());
    return result;
}

inline void solveProblem(){
    binaryPow = 1<<(number);

    for ( int index = 1; index < binaryPow; index++ ){
        vector <int> group = morphToGroup(index);

        for ( auto element : group )
            fout << element << " ";
        fout << "\n";
    }
}

int main(){
    fin >> number;
    solveProblem();
    return 0;
}