#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j;
    int x=64;
    cin>>n;
    int a[11][11]={0};
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if(j>=i){
            	x=i+1;
            	a[i][j]=x;
			}else{
				x=j+1;
				a[i][j]=x;
			}
        }
    }
    /*
     
     
     
    */
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            printf("%3d",a[i][j]);
 
        }
        cout<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1196
	User: tangkaixuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/