#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a[9][9],m=1;
	cin>>n;
	for(int i=n-1;i>=0;i--){
		for(int j=0;j<n;j++){
			a[i][j]=m;
			m++;
		}
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++) cout<<setw(3)<<a[i][j];
        cout<<endl;
	}
}
/**************************************************************
	Problem: 1185
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/