infringement, please inform and it will be deleted immediately
(如果侵害版權，請通知我將它刪除)
E-MAIL: f131912120@gmail.com
(信箱: f131912120@gmail.com)
difficult(難度):
Extreme 9* (極難)
Extreme - Easy Ver. 8.5* (極難-簡單版)
Hard 7.5* (困難)
Normal 5.5* (普通)