For details on several types, please jump to this blog
题集：
C - Calendar Game
D - Game
E - Nim or not Nim?
F - Coin Game
G - Being a Good Boy in Spring Festival
H - Incredible Chess
I - A Multiplication Game
J - Crazy Calendar
K - Game of Hyper Knights
L - Aladdin and the Game of Bracelets
M - Doubloon Game