#include <iostream>
using namespace std;
int main() {
    int a[10][10],n,i,j,c=1;
    cin>>n;
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		cout<<c<<" ";
    		c++;
    	}
    	cout<<endl;
    }
}
/**************************************************************
	Problem: 1184
	User: panyuchen
	Language: C++
	Result: Presentation Error
****************************************************************/