#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,i,j;
	cin>>n;
	for(i=1;i<=n;i++)
	{
		for(j=n;j>=i;j--)
		{
			cout<<" ";
		}
		for(j=1;j<=i;j++)
		{
			cout<<i+1-j;
		}
		for(j=1;j<=i-1;j++)
		{
			cout<<j+1;
		}
		cout<<endl;
	}
	for(i=1;i<=n+1;i++)
	{
		cout<<n+2-i;
	}
	for(i=1;i<=n;i++)
	{
		cout<<i+1;
	}
	cout<<endl;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=i;j++)
		{
			cout<<" ";
		}
		for(j=n-i+1;j>=1;j--)
		{
			cout<<j;
		}
		for(j=2;j<=n-i+1;j++)
		{
			cout<<j;
		}
		cout<<endl;
	}
	return 0;
}