#include<bits/stdc++.h>
using namespace std;
int n,m[1000][1000];
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(i>j){
				m[j][i]=j;
			}else{
				m[j][i]=i;
			}
			
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			cout<<setw(3)<<m[i][j];
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1196
	User: zhengzihao
	Language: C++
	Result: Accepted
	Time:23 ms
	Memory:5980 kb
****************************************************************/