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

/**************************************************************
	Problem: 1184
	User: wuzhijing
	Language: C++
	Result: Presentation Error
****************************************************************/