this part is very hard to play on guitar and almost impossible to play at the tempo of 
song , i would advise you to play it at a slower speed
the fingering is very important thats why i wrote the fingers you should be using above the notes
part 1

 2        2 4 1 2  4          1 2 4  2 1       3 2 1 2 1 2 3 1 4 1
--------------12--------------121315-131212--|---1210------------------|
-13131313-1517--13-15--151515----------------|-13--------12------------|
---------------------------------------------|-------1211--131015------|
---------------------------------------------|-------------------11----|
---------------------------------------------|-------------------------|
---------------------------------------------|-------------------------|

4  1 1 2 2 1 4 2 1 3 2 1 2 3 3 3   1 1 1 3 2 4 4 1 3 1 4 1 4 1  2 1
-----------------------1517----18--14--------------------------------|-----|
---------------14131817----1818------1414----------------------------|-----|
---1010--1312----------------------------1716-------------------1513-|-----|
-------13----15------------------------------171712--14----17--------|-----|
-15------------------------------------------------16--1713--14------|-----|
---------------------------------------------------------------------|-----|


part 2

1         2 4 1  2  1      3  4 1    2  1  2  1  4  1 4  1 1  2  3  1
--------------------------------10-|-11-10---------------------------------|
--------------------101010-12-13---|-------11----13-9----------------------|
1212121212141612-14----------------|----------10--------------------10-----|
-----------------------------------|------------------13-8-10-12-13--------|
-----------------------------------|---------------------------------------|
-----------------------------------|---------------------------------------|

 1 2  4  2   1  4   1   2  1   2  1  3  1  2  3  2  1  3  2  1
---------------------------------------------------------------------|
---------11---------11------------------------16-15p14---------------|
-9-11-13-------------------12-----------------------------16p15------|
-------------11h14-----12---------------14h15------------------------|
-------------------------------14p13h15----------------17------------|
---------------------------------------------------------------------|

 1  4  4  1  4  1  4  1  1  4  2  1  4  2  1   1
-----------------------------------------------------------------------|
-----------------------------------------------------------------------|
-14-17\15p11-----------------------------------12----------------------|
-------------15-12-16-13-10----12-10-15-13-12--------------------------|
----------------------------14-----------------------------------------|
-----------------------------------------------------------------------|

here you should play part one again
and then play part 3

part 3

 4  2  2  1  3  1  1  3  3  1  2  1  2  1  4  2  2  1  2  1  3  2  1
-------------------------------14-12-15-14-17-15-19-18-------------------|
-------------------14----16-14-------------------------19-18-------------|
-------14-12-16-14----16-------------------------------------19-18-17----|
-16-14-------------------------------------------------------------------|
-------------------------------------------------------------------------|
-------------------------------------------------------------------------|


 4  2  1  4  1  3  2  1  3  4  1  1  3  4  1   2  4  1  2  3  1  2  4  1 2
----------------------------------------------------------------------------|
-18-16-------------14-------------------------------------------------------|
-------15-18-13-15----13-------13-------------------------------------------|
-------------------------15-16----13-15----13-------------------------------|
----------------------------------------16----14-16-12-14----12-------------|
----------------------------------------------------------15----14-16-11-12-|

 1 3  3  2  1  1  2  1  2  3  2   1  1  4  1  3

-------------------------------------------------------------------------|
---------------10h11----------11--------12p9-----------------------------|
---------------------10h11-----------------------------------------------|
------11-10-9--------------12----11\10-----------------------------------|
-9-11-----------------------------------------12-------------------------|
-------------------------------------------------------------------------|

 1    1 2 4 1 2  4      1  2  4   2 1

-8888-810121012---------12-13-15--131212----------------------|
-----------------151515---------------------------------------|
--------------------------------------------------------------|
--------------------------------------------------------------|
--------------------------------------------------------------|
--------------------------------------------------------------|