n = gets.strip.to_i

def make_spiral(n)
	if n == 0
		return []
	end
	if n == 1
		return [1]
	end
	spiral = []
	sub_spiral = make_spiral(n - 2)
	
	spiral += (1..n).to_a
	
	(0...n - 2).each do |i|
		spiral += [4 * n - 4 - i]
		(0...n - 2).each do |j|
			spiral += [sub_spiral[i * (n - 2) + j] + 4 * n - 4]	
		end
		spiral += [n + 1 + i]
	end
	
	(1..n).each do |i|
		spiral += [3 * n - 1 - i]
	end

	return spiral
end

spiral = make_spiral(n)
(0...n).each do |i|
	(0...n).each do |j|
		print "#{("00" + spiral[i * n + j].to_s)[-3, 3]} "
	end
	print "\n"
end