https://docs.google.com/document/d/1zvDzWfvCpoU5YSjcWJoPqacUvwcEQaKPOLbzIFbGg2s/edit

https://docs.google.com/document/d/1NzQIEEmU-EvT6r6ZdB1fVIA1P0FTX6X_AozeN0OdNao/edit?usp=sharing