#include<bits/stdc++.h>
using namespace std;
int a[15][15],i,j,n,s=1;
int main(){
	cin>>n;
	for(j=1;j<=n;j++){
		for(i=1;i<=n;i++){
			a[i][j]=s;
			s++;
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl; 
	}
	return 0;
} 
/**************************************************************
	Problem: 1186
	User: zkl
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2072 kb
****************************************************************/