#include<bits/stdc++.h>
using namespace std;
int n;
int a[20][20];
int c=1;
int main(){
	cin>>n;
	for(int j=1;j<=n;j++){
		for(int i=1;i<=n;i++){
			a[i][j]=c++;
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		
		}	
		cout<<endl;
	}	


	return 0;
}


/**************************************************************
	Problem: 1186
	User: wuzihang
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2076 kb
****************************************************************/