If you have been taught these sections in another way, that’s OK. As the creator of this whole branch of Wing Chun, Grandmaster Leung Ting, famously said: “The sections are only SIMPLE exercises for beginners to understand BASIC Wing Chun principles!“
Which variation of the sections you are learning is less important as long as you are learning all their lessons for posture, yielding to and using the opponent’s force while using an effective footwork. What is important is intent, never training without the