#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001LL

int main(){
	
	int n;
	cin>>n;
	
	vector ans(n,vector<int>(n));
	ans[0][0] = 1;
	int cn = 1;
	int lv = 1;
	if(n%2==0){
		ans[0][1] = 2;
		ans[1][0] = 3;
		ans[1][1] = 4;
		cn = 2;
		lv = 4;
	}
	while(cn != n){
		bool f = true;
		{
			lv++;
			ans[cn][cn] = lv;
			rep(i,cn){
				rep(j,2){
					lv++;
					if(j==i%2){
						ans[i][cn] = lv;
						f = true;
					}
					else{
						ans[cn][i] = lv;
						f = false;
					}
				}
			}
			cn++;
		}
		{
			
			rep(i,cn){
				rep(j,2){
					lv++;
					int t = j;
					t ^= i%2;
					if(f)t ^= 1;
					int ii = cn - 2 - i;
					if(ii<0)ii = cn - 1;
					if(t)ans[ii][cn] = lv;
					else ans[cn][ii] = lv;
				}
			}
			lv++;
			ans[cn][cn] = lv;
			cn++;
		}
	}
	rep(i,n){
		rep(j,n){
			if(j!=0)cout<<' ';
			cout<<ans[i][j];
		}
		cout<<endl;
	}
	return 0;
}