#include <bits/stdc++.h>

int main()
{
	using vi = std::vector<int>;
	using vvi = std::vector<vi>;

	int N;
	scanf("%d", &N);
	vvi board(N, vi(N));
	int num{1};
	for (int i{}; i < N / 2; i++)
		for (int j{}; j < N / 2; j++)
		{
			board[i][j] = num++;
			board[N / 2 + i][N / 2 + j] = num++;
		}
	for (int i{}; i < N / 2 ; i++)
		for (int j{}; j < N / 2; j++)
		{
			board[N - 1 - i][j] = num++;
			board[N / 2 - 1 - i][N / 2 + j] = num++;
		}
	for (int i{}; i < N; i++)
	{
		for (int j{}; j < N; j++)
			printf("%d%c", board[i][j], j == N - 1?'\n':' ');
	}


	return 0;
}