#include<iostream> 
#include<cstdio>
#include<cstring>
#include<iomanip>
using namespace std;
int main (){
	int n,a[101][101];
	cin>>n;
	int f=2*n+1,t=n;
	for(int k=1;k<=n+1;k++){
		for(int i=k;i<=f;i++){
		   for(int j=k;j<=f;j++){
		   	if(i==k||j==k||i==f||j==f){
		   	   a[i][j]=t;	
		   	 }
		   }  
	    }
	    t--;
	    f--;
	}
	
	
	for(int i=1;i<=2*n+1;i++){
		for(int j=1;j<=2*n+1;j++){
			cout<<setw(2)<<a[i][j];
		}
		cout<<endl;
	}
	return 0;
}