1-https://www.youtube.com/watch?v=U5ps0nj89ic&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=11

2- https://www.youtube.com/watch?v=ubmqZUDNt4Q&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=12

3- https://www.youtube.com/watch?v=_F7W1Ew8b_E&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=13

4- https://www.youtube.com/watch?v=srkcQgLB8Sg&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=14

5- https://www.youtube.com/watch?v=8Mpb0J61kXk&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=15

6- https://www.youtube.com/watch?v=mF2mFHtSLmI&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=16

7-https://www.youtube.com/watch?v=8t2S5pAi1WY&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=17

8-https://www.youtube.com/watch?v=YKwNgvwNTaM&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=18

9-https://www.youtube.com/watch?v=g_MOQmgmGow&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=19

10-https://www.youtube.com/watch?v=YPuht4iTa0k&list=PLs6emGC4vqRIims61R2MQ5lBvA8xsIG0t&index=22