https://docs.google.com/document/d/1a2-w95eX2o6Tm34NTWvJWQJLT3flXBuWAcFlR06geRQ/edit?usp=sharing

https://docs.google.com/document/d/1O_1eLYKN4tTXlTZSFK35EWRjt4tAzi0NUDzmdAlo22w/edit?usp=sharing