Allocation of impairment loss IAS36

Hi. In Open Tuition notes allocation of impairment loss between assets of CGU is indicated as follows:

1. Specific assets
2. Goodwill
3. Remaining assets (pro-rata).

However, I have recently seen a webinar provided by ACCA, in which the order is different. First comes goodwill and then specific assets (or obviously impaired assets as they are mentioned). Since this contradiction created a confusion, I looked up in IAS36 standard. But I could not find specific assets (obviously impaired assets) in paragraph 104. This increased my confusion even further.

My question is: In which paragraph of IAS 36, specific assets (obviously impaired assets) is written? Where I can see the right order?