#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j,a[15][15];
    cin>>n;
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if(i+j>n-1){
                a[i][j]=n-j;
            }else
                a[i][j]=i+1;
            }
        }
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1200
	User: huanghengyi
	Language: C++
	Result: Compile Error
****************************************************************/