https://docs.google.com/document/d/13bXfu3j6XI4OyT1x82Jiw_WwTOxvUU0T3soXtWMh0CI/edit?usp=sharing

https://docs.google.com/document/d/1K-GAYre4jETkj6ynfP-omLqIiOn8V8ha2dlQxtZ-kpg/edit?usp=sharing