Saigon Kick - Hostile Youth Chords & Tabs

I can't completely figure this intro out but it's not up here yet so maybe people will 
it right so they can correct me.


-----------------------------------------------|  my first version
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---/5-7-5---3-5------------/7------------------|
---/5-7-5---3-5------------/7------------------|
-----------------------------------------------|
--0-------0-----0-3*-0-3*-0--------------------|
                slight bend on *
[ Tab from: https://www.guitartabs.cc/tabs/s/saigon_kick/hostile_youth_tab.html ]
-----------------------------------------------| my alternate version
-----------------------------------------------|
-----------------------------------------------|
-----------------------------------------------|
----9-10-12---5-7-----------/12----------------|
--0-9-10-12-0-5-7-0-3-0-3-0-/12----------------|
                    *   *


verse riff

-----------------------------------------------|
-----------------------------------------------|
----------/7-------------7-5-------------------|
----------/7-------------7-5-------------------|
-----------------------------------------------|
--0-0-0-0--------0-0-0-0-----------------------|