#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

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

int main() {

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

	return 0;
}