#include<bits/stdc++.h>
using namespace std;
int main(){
    int a[10][10],i,j,h,l=1;
    cin>>h;
    for(i=0;i<h;i++){
        for(j=h-1;j>=0;j--){
        	a[i][j]=l++; 
        }
    }
    for(i=0;i<h;i++){
        for(j=0;j<h;j++){
        	cout<<setw(3)<<a[i][j]<<" "; 
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1189
	User: huanghengyi
	Language: C++
	Result: Presentation Error
****************************************************************/