package no217;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[][] ans;
		if (n % 2 == 1) {
			ans = odd(n);
		}else if((n / 2) % 2 == 0) {
			ans = even1(n);
		}else{
			ans = even2(n);
		}
		StringBuilder sb = new StringBuilder();
		for(int i=0;i<n;i++) {
			for(int j=0;j<n;j++) {
				if (j > 0) {
					sb.append(' ');
				}
				sb.append(ans[i][j]);
			}
			sb.append('\n');
		}

		System.out.print(sb.toString());
	}

	public static int[][] odd(int n) {
		int[][] m = new int[n][n];
		int i = n - 1;
		int j = n / 2;
		for(int t=0;t<n*n;t++) {
			m[i][j] = t + 1;
			int ni = (i + 1) % n;
			int nj = (j + 1) % n;
			if (m[ni][nj] == 0) {
				i = ni;
				j = nj;
			}else{
				i = (i + n - 1) % n;
			}
		}
		return m;
	}

	// http://d.hatena.ne.jp/ziom/20090620/p1
	public static int[][] even1(int n) {
		int[][] m = new int[n][n];
		for(int i=0;i<n;i++) {
			for(int j=0;j<n;j++) {
				m[i][j] = i * n + j + 1;
			}
		}
		for(int i=0;i<n/2;i++) {
			for(int j=0;j<n;j++) {
				if (((i + 1) / 2 + (j + 1) / 2) % 2 == 1) {
					int temp = m[i][j];
					m[i][j] = m[n-1-i][n-1-j];
					m[n-1-i][n-1-j] = temp;
				}
			}
		}
		return m;
	}

	// http://d.hatena.ne.jp/ziom/20090621/p1
	public static int[][] even2(int n) {
		int[][] m = new int[n][n];
		m[0][0] = 1;
		m[0][n-1] = 2;
		m[n-1][0] = n * n - 1;
		m[n-1][n-1] = n * n;
		m[n-1][1] = 3;
		m[n-1][2] = 4;
		for(int i=3;i<n-2;i++) {
			if (i / 2 % 2 == 1) {
				m[n-1][i] = i + 2;
			}else{
				m[0][i] = i + 2;
			}
		}
		m[0][n-2] = n + 3;
		for(int i=1;i<n-1;i++) {
			int num = n - 1 + i;
			if (num >= n + 3) {
				num++;
			}
			if (i / 2 % 2 == 0) {
				m[i][0] = num;
			}else{
				m[i][n-1] = num;
			}
		}
		for(int i=1;i<n-1;i++) {
			if (m[i][0] == 0) {
				m[i][0] = n * n + 1 - m[i][n-1];
			}
			if (m[i][n-1] == 0) {
				m[i][n-1] = n * n + 1 - m[i][0];
			}
			if (m[0][i] == 0) {
				m[0][i] = n * n + 1 - m[n-1][i];
			}
			if (m[n-1][i] == 0) {
				m[n-1][i] = n * n + 1 - m[0][i];
			}
		}
		for(int i=0;i<n-2;i++) {
			for(int j=0;j<n-2;j++) {
				m[i+1][j+1] = i * (n-2) + j + n * 2 - 1;
			}
		}
		for(int i=0;i<(n-2)/2;i++) {
			for(int j=0;j<n-2;j++) {
				if (((i + 1) / 2 + (j + 1) / 2) % 2 == 1) {
					int temp = m[i+1][j+1];
					m[i+1][j+1] = m[n-2-i][n-2-j];
					m[n-2-i][n-2-j] = temp;
				}
			}
		}
		return m;
	}

}