It's a lot easier with a 5 string, if you have a good one.
Is it possible on a 4? probably. good luck , i think it's pretty close.
Let me know what you think. =)


G||---------------------22-24-24pb-24-22----------------|
D||*--------------19-22------------------22-19----------|
A||---------20-22------------------------------22-20----|
E||*-----20------------------------------------------20-|
B||---22------------------------------------------------|


     
--------------------19-21-22-21-19-----------------||
-----------------19----------------19-------------*||
--------17-19-20----------------------20-19-17-----||
-----17----------------------------------------17-*||
--18-----------------------------------------------||


    
--------------------15-17-19-17-15----------------|
-----------------15----------------15-------------|
-----------15-17----------------------17-15-------|
--------18----------------------------------18----|
--15-18----------------------------------------18-|


--------------------17-19-21-19-17----------------|
-----------------17----------------17-------------|
--------15-17-19----------------------19-17-15----|
-----15----------------------------------------15-|
--17----------------------------------------------|



-----------------------17-18-17-------------------|
-----------------15-18----------18-15-------------|
-----------15-16----------------------16-15-------|
-----13-16----------------------------------16-13-|
--14----------------------------------------------|


   
-----------------------19-20-19-------------------|
-----------------17-20----------20-17-------------|
-----------17-18----------------------18-17-------|
--------18----------------------------------18----|
--16-20----------------------------------------20-|

      
--------------------22-24-24pb--------||
-----------17-19-22-------------------||
--------20----------------------------||
--17-20-------------------------------||
--------------------------------------||

you could also play it an octave lower. (move down 12 frets)
but the 24pb would be 14 =)





Tablature Legend
----------------
pb - preBend