#!/bin/env ruby
require 'base64'

text = "\x4e\x7a\x4d\x6c\x4e\x6a\x4d\x6c\x4e\x6a\x4d\x6c\x4e\x6a\x4d\x6c"

decode = Base64.decode64(text).reverse.gsub /%3/, ''
puts decode