#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=0;i<=2*n;i++){
        for(int j=0;j<=2*n;j++){
            cout<<setw(2)<<max(abs(n-i),abs(n-j));
        }
        cout<<endl;
    }
     
    return 0;
}
/**************************************************************
	Problem: 1209
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/