#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[10][10]={0},n,i,j,b=0;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			b=b+1;
		}
	}
 	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			a[i][j]=a[i][j]+b;
			b=b-1;
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	} 
} 
/**************************************************************
	Problem: 1188
	User: huxuanchen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/