December Challenge 2018 Division 2
Max and Electrical Panel, Directing Edges, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, Weapon Value, Chef and Minimum Colouring, (Challenge) Coloring Triangulations
