Chain codes-First Difference, Shape Number & Order 

for the fisrt difference computing, aren't we supposed to start from the last to the first number which in our case is from 1 to 0 and then to 0 to 7 and so on??

Thanks you, it helped me ☺️

wrong solution, you must make sure about your solution method and your answer before uploading this video in public.

I guess shape number is not right??

wrong solution

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