https://docs.google.com/document/d/1DWzFj067lV61ZmFTztsmLU9zeC0Hl4i-SCWIOOAE_xA/edit?usp=sharing

https://docs.google.com/document/d/17hiG2U2xQGvqbRba08Z-yxVyZ1x9SXBCWhWquKXHdHI/edit?usp=sharing

https://docs.google.com/document/d/1mPCa8BV2E1MdhmxzbWBLrn1gAk-jMDTOkCvAL67pvA4/edit?usp=sharing