#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    int a[10][10];
    cin>>n;
    for(i=n-1;i>=0;i--){
        for(j=n-1;j>=0;j--){
            if(i<j) a[i][j]=n-i;
            else a[i][j]=n-j;
    }
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
		    cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
}
}
/**************************************************************
	Problem: 1198
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/