#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a[15][15]={0},i,j,z=1;
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			a[j][i]=z;
			z++;
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1186
	User: linyuhang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/