#include<iostream>
#include<string>
#include<cstdio>
using namespace std;
int num[105][105];
int main()
{
	int n;
	cin>>n;
	num[0][1]=1;
	for(int i=1;i<=n;++i)
	{
		num[i][1]=num[i-1][1]+i-1;
		cout<<num[i][1];
		for(int j=2;j<=n-i+1;++j){
			num[i][j]= num[i][j-1]+j+i-1;
			cout<<" "<<num[i][j];
		}
		cout<<endl;
	}
	return 0;
}