#define _USE_MATH_DEFINES
#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define MT make_tuple
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
#define RT return
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;

void solve() {
    int N;
    cin >> N;

    vector<vi> ans(N, vi(N));
    int m = N / 2;
    rep(i, N*N / 2) {
        int y = i / N, x = i % N;
        int z = 2 * i + 1, w = z + 1;
        ans[y][x] = z;
        ans[(y + m) % N][(x + m + 1) % N] = w;
    }
    rep(y, N) {
        rep(x, N)cout << ans[y][x] << (x != N - 1 ? ' ' : '\n');
    }
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(15);
	solve();
	return 0;
}