#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j,a[15][15];
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            a[i][j]=max(n-i+1,n-j+1); 
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}



/**************************************************************
	Problem: 1198
	User: yangjunwenredianling
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/