March 16 bracketology

My latest bracketology heading into Saturday. This may be the hardest year doing it in my 9 years doing it. But such a fascinating bubble picture over the next 32 hours. My full bracketology is here: https://docs.google.com/spreadsheets/d/1SXg3z1pndC9ek7zkOscAGhPQvkNmKXAEXkveWU9fi7g/edit