#include<bits/stdc++.h>
using namespace std;
int main(){
int n,m=1,a[100][100];
cin>>n;
for(int j=1;j<=n;j++){
	for(int i=1;i<=n;i++){
		a[i][j]=m++;
	}
}
for(int i=1;i<=n;i++){
	for(int j=1;j<=n;j++){
		cout<<setw(3)<<a[i][j];
}
cout<<endl;
}
}
/**************************************************************
	Problem: 1186
	User: lidongcheng
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/