Block Sim Card of your Enemy Easily

Hello friends,I hope you all are fine.
DO you wanna take revenge from someone?
Does somebody tease you?
Does someone make fun of you in front of your friends?

Today I will tell you one interesting trick with it you can block others SIM card and be aware someone else can do the same with you..
Well here's the trick::
>At first take his/her mobile
>Then type this code **04*3814*7529*68243# 
>After entering this it asks for PUK code type wrong code anything you want.
>And voilllaa...The SIM Card is blocked.