#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j,a[15][15]={0},x; 
    cin>>n;
    for(i=1;i<=n;i++){
    	for(j=1,x=i;j<=n;j++,x++){
    		a[i][x]=j;
    	}
    	for(j=1,x=n+1-i;j<=n;j++,x--){
    		a[n+1-i][x]=j;
    	}
    }
    for(i=1;i<=n;i++){
    	for(x=i;x>1;x--){
    		cout<<setw(5)<<" ";
    	}
    	for(j=i;j<=n;j++){
    		cout<<setw(5)<<a[i][j];
    	}
    	cout<<endl;
    }
}

/**************************************************************
	Problem: 1204
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/