#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a[10][10],n,i,j,t=1;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			if(i>j) 
				a[i][j]=j+1;
			else{
				a[i][j]=i+1;
			} 
		}
		cout<<endl;	
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	} 
	return 0;
}
/**************************************************************
	Problem: 1196
	User: houshanglin
	Language: C++
	Result: Presentation Error
****************************************************************/