#include <bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,a[15][15]={0},c=1;
	cin>>n;
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			a[j][i]=c;
			c++;
		}
		
	} 
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
		
	}
	
}


/**************************************************************
	Problem: 1186
	User: 15159808820
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/