#include<bits/stdc++.h>
using namespace std;
int a[10][10],n;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
    	for(int j=1;j<=n;j++){
    		if(i<=j){
    			a[i][j]=j;
			}
			else
				a[i][j]=i;
		}
	}
    for(int i=1;i<=n;i++){
    	for(int j=1;j<=n;j++){
    		cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
    }
	return 0;
}

/**************************************************************
	Problem: 1199
	User: hongguangxi
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/