('11'..'99').to_a.each do |main_number|
  main_number = main_number.split('')
  f = main_number[0] # first number
  s = main_number[1] # second number, can't be zero
  next if s.to_i == 0 or f == s

  ('000'..'999').to_a.each do |numbers|
    if "#{f + numbers + s}".to_f / "#{s + numbers + f}".to_f == "#{f + s}".to_f / "#{f + s}".reverse.to_f
      puts "#{numbers} -- #{f} -- #{s}"
    end
  end
end