#include <bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,a[50][50]={0};
	cin>>n;
	a[n+1][n+1]=0;
	for(i=1;i<=2*n+1;i++){
		for(j=1;j<=n*2+1;j++){
			a[i][j]=max(abs(n+1-i),abs(n+1-j));
		}
		
	}
	for(i=1;i<=2*n+1;i++){
		for(j=1;j<=n*2+1;j++){
			cout<<setw(2)<<a[i][j];
		}
		cout<<endl;
		
	}
	
}


/**************************************************************
	Problem: 1209
	User: 15159808820
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/