Compare the 4 following videos with each other and go to the following time stamps(the time stamps are below the videos) for each video and the videos are below:
https://www.youtube.com/watch?v=ngEZ3KzdnY0
https://www.youtube.com/watch?v=pqUtAFr8y94
https://www.youtube.com/watch?v=TGvok2ajLDg
https://www.youtube.com/watch?v=pl3uWOa6PR4&t=350s
1st video: 0:15
2nd video: 5:33
3rd video: 25:45
4th video: 19:51