These are my solutions to Jane Street's monthly puzzles
- October & November 2020: Candy Collectors
- December 2020: Twenty Four Seven 2-by-2 #2: https://www.mauritsvanaltvorst.com/jane-street-december-2020
- April 2021: Bracketology 101: https://www.mauritsvanaltvorst.com/jane-street-april-2021