#include<bits/stdc++.h>
using namespace std;
int a[20][20];
int n;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		int x=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: wuzihang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2076 kb
****************************************************************/