https://docs.google.com/document/d/1GY6KkQY2bcM2uADLjCVruIBVIhgUb9UJ_friZ7WyhE4/edit

https://docs.google.com/document/d/1tTXbdWUQ8aL3mlNTIeTYcWr7fBslflR2iSe9omFfLkM/edit

https://docs.google.com/document/d/1XekroZDCpL0MyVbs0UF9dIWBO5CSK9g8s-XcESF0QHU/edit