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


	return 0;
}

/**************************************************************
	Problem: 1072
	User: sf751616
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/