Segundo ejemplo en ruby

palindrome-two.rb

count = 0

File.open("seed.txt") do |f|
	while line = f.gets
		one, two = line.split(" ").map(&:to_i)

		while (one <= two) do
			one += 1

			muestra = one.to_s
			
			if muestra == muestra.reverse
				count += 1
			end

		end
	end
end

puts "\nFound: #{count}"