#include<bits/stdc++.h> 
using namespace std;
int main(){
    int a[10][10],i,j,n,h=1;
    cin>>n;
    for(i=0;i<n;i++){
    	for(j=i;j<n;j++){
    		a[j-i][j]=h;
    		a[j][j-i]=h;
    		h++;
    	}
    }
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		cout<<setw(5)<<a[i][j];
    	}
    	cout<<endl;
    }
}
/**************************************************************
	Problem: 1404
	User: huanghengyi
	Language: C++
	Result: Accepted
	Time:26 ms
	Memory:2072 kb
****************************************************************/