#include<bits/stdc++.h>
using namespace std;
int n,m=1,a[200][200];
int main(){
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;
     
}
    return 0;
}
/**************************************************************
	Problem: 1186
	User: lidongbo
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2228 kb
****************************************************************/