i'm back and i solve the reason why there is block teaching system.

I finally solved the mystery of why is there block teaching.








So with some skills i learn from the movie Da vinci code. To my horror i found out this.



WTF! MR M IS A TERRIOST! NO WONDER GOT BT! ahhh fuck,
Hello bush? there is 1 BIG terriost in TPDS ^^