https://docs.google.com/document/d/1AJYAQImm3XS2k2N2QdIoi7ldwyDsT3DRGlUfmbi3TUM/edit?usp=sharing https://drive.google.com/file/d/117S_p2hAtcSR34ptJ4VOyenWPty_BLYR/view?usp=sharing