November Challenge 2016
Gift and Chef, Chef and squares, Task for Alexey, Count Permutations
December Challenge 2016
Train Partner, Kirito in labyrinth, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours
January Challenge 2017
Capital Movement, Tourists in Mancunia, Reservior, Digits Cannot Separate, Fantastic Four, Chef and Circle, Cats and Dogs
February Challenge 2017
Eugene and big number, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues
Estonia