#include<bits/stdc++.h>
using namespace std;
int main(){
     int n,i,j,a[15][15]={0};
     cin>>n;
     for(i=1;i<=n;i++){
     	for(j=i;j<=n;j++){
     		a[i][j]=n+i-j;
     	}
     	for(j=1;j<=n+1-i;j++){
     		a[n+1-i][j]=n+j-(n+1-i);
     	}
     }
     for(i=1;i<=n;i++){
     	for(j=1;j<=n;j++){
     		cout<<setw(3)<<a[i][j];
     	}
     	cout<<endl;
     }
     
}
/**************************************************************
	Problem: 1195
	User: jiangyuanfeng
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/