กลาง
ดี
https://www.youtube.com/watch?v=n7eq1SF12No&feature=share&fbclid=IwAR2pJ8wIqy4JGpwho7oxJ4eH7LmLeSbxjUqsDS4LK0YVkgN6ShuiWnOHMIc
https://www.youtube.com/watch?v=ta9Cs3LyLFo&feature=share&fbclid=IwAR0t5lvabjhN9E3dx2AComQyurXDopA_GYydV-5Duhc53taaikKwZIh-T9g
https://www.youtube.com/watch?v=maJm7fNrdlg&feature=share&fbclid=IwAR1lAYtGakVVAgVf05NmjYp6aeUkk8koWvn3BNqgW4ZV2mvl4bIwo85tlbU