#include<bits/stdc++.h>
using namespace std;
int main(){
    int a[15][15],i,j,n,h=1;
    cin>>n;
    for(i=0;i<=n;i++){
    	for(j=n-1;j>=0;j--){
    		a[i][j]=h;
    		h++;
    	}
    }
	for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		cout<<setw(3)<<a[i][j]<<" ";
    	}
    	cout<<endl;
    }

}

/**************************************************************
	Problem: 1189
	User: yangjunwenredianling
	Language: C++
	Result: Presentation Error
****************************************************************/