#include<iostream>
using namespace std;
int a[105][105];
int main(){
	int n,s,x,z,y,j=1,k=1;
	cin>>n;//4
	s=n*2+1;
	y=s;
	x=1;
	z=n;
	for(x=1;x<=n;x++){
        for(j=x;j<=y;j++){
	   	    for(k=x;k<=y;k++){
		        a[j][k]=z;
		    }
        }		
        y--;
        z--;
	}
	a[n+1][n+1]=0;	
	for(int x=1;x<=s;x++){
		for(int y=1;y<=s;y++){
			printf("%2d",a[x][y]);
		}
		cout<<endl;
	}
	return 0;
}