#include<bits/stdc++.h>
using namespace std;
int main(){
     int n,a[15][15]={0};
     cin>>n;
     for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            a[i][j]=n+i-j;
        }
        for(int j=1;j<=n+1-i;j++){
            a[n+1-i][j]=n+j-(n+1-i);
        }
     }
     for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
     }
      
}
/**************************************************************
	Problem: 1195
	User: lihean
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/