#include <cstdio>
#include <algorithm>
#define PWO(i) (1 << (i))

int N, l;

int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);

    scanf("%d",&N);
    l = PWO(N);
    for (int i = 1; i < l; i++)
    {
        for (int j = 1; j <= N; j++)
            if ( i & PWO(j - 1) )
                printf("%d ",j);
        printf("\n");
    }

    return 0;
}