#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a[200][200],n,b=1;;
    cin>>n;
    for(int j=n;j>=1;j--){
        for(int i=1;i<=n;i++){
            a[i][j]=b++;
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1187
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2104 kb
****************************************************************/