#include<bits/stdc++.h>
using namespace std;
int a[15][15],i,j,n,s=1;
int main(){
	cin>>n;
	for(i=n;i>=1;i--){
		for(j=1;j<=n;j++){
			a[i][j]=s;
			s++;
		}
	}
	for(i=n;i>=1;i--){
		for(j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl; 
	}
	return 0;
} 
/**************************************************************
	Problem: 1184
	User: zkl
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/