Demi Lovato - Here We Go Again Intro Chords & Tabs

Hi,
There are a few ways to play the intro. Here are a few:
    
    1.
e|-1---------------1--------------1-3-5-3-1-3-6-5-3-1-3-5-1-|
B|---1---------------1--------------------------------------|
G|------2--0----0------2--0----0----------------------------|
D|------------3--------------3------------------------------|
A|----------------------------------------------------------|
E|----------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/d/demi_lovato/here_we_go_again_intro_tab_ver_2.html ]
     2.
e|----------------------------------------------------------|
B|--------6----------6--------6-8-10-8-6-8-11-10-8-6-8-10-6-|
G|---------5----------5-------------------------------------|
D|----------7-5-3-5----7-5-3-5------------------------------|
A|----------------------------------------------------------|
E|----------------------------------------------------------|

     3.
e|--------------------------------------------------------------------|
B|--------------------------------------------------------------------|
G|-10-------------10------------10-12-14-12-10-12-15-14-12-10-12-14-10|
D|---10-------------10------------------------------------------------|
A|-----12-10-8-10-----12-10-8-10--------------------------------------|
E|--------------------------------------------------------------------|