#include <stdio.h>

using namespace std;
int n;


void solve()
{
    int limita = 1 << n;
    for(int i = 1 ; i < limita ; i++)
    {
        for(int j = 1 ; j < n ; j++)
            if(i & ( 1 << j-1))
               printf("%d ",j);
        printf("\n");
    }
}


void read()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d ",&n);
    solve()
}


int main()
{
    read();
    return 0;
}