#include<cstdio>

int i , j , n;

int main()
{
	freopen("submultimi.in","r",stdin);
	freopen("submultimi.out","w",stdout);
	
	scanf("%d",&n);
	
	for( i = 1 ; i <= ( 1 << n ) - 1 ; ++i )
	{
		for( j = 0 ; ( 1 << j ) <= i ; ++j )
			if ( i & ( 1 << j ) ) printf("%d ",j + 1 );
		printf("\n");
	}
	
return 0;
}