#include<bits/stdc++.h>
using namespace std;
int n,a[222][222]; 
int main(){
	cin>>n;

	
for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(i<=j) a[i][j]=n+i-j;
			else a[i][j]=n-i+j; 
				
			}
			
		}
	
	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: 1195
	User: chenxuanyi
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2264 kb
****************************************************************/