3-1
https://www.youtube.com/watch?v=IhZKk4je4cM&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy
3-2
https://www.youtube.com/watch?v=ehyDrb-2ddw&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=2
3-3
https://www.youtube.com/watch?v=-qPJZpSMneE&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=3
S3-1
https://www.youtube.com/watch?v=S5wqWXwRTl4&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=4
S3-2
https://www.youtube.com/watch?v=gqcy0rXeHAw&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=5
3-4
https://www.youtube.com/watch?v=SAcFeXF9ycs&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=6
3-5
https://www.youtube.com/watch?v=yB5Q72FgkZM&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=7
3-6
https://www.youtube.com/watch?v=Y46AnY8HxQg&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=8
3-7
https://www.youtube.com/watch?v=8XjBHAZ9Fi8&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=9
S3-3
https://www.youtube.com/watch?v=hSHcP2-6wGQ&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=10
S3-4
https://www.youtube.com/watch?v=0w8u4OOQmQE&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=11
S3-5
https://www.youtube.com/watch?v=lQd6pQZdGX4&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=12
3-8
https://www.youtube.com/watch?v=EgOLp94r0NA&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=13
S3-6
https://www.youtube.com/watch?v=f7-lFEsvJMQ&list=PLQCWLVY3YI3qwKExJEBgjGMiYidndkCgy&index=14