This is right

main riff
g-----------------------7-5-----------------------------------------
d-----------------7-5~------7-5----------7-5~------------------7-5~-
a-3333--5-7~--7-5---------------5-7--7-5-------3333--5-7~--7-5------
e-------------------------------------------------------------------
Every other time you play this at the end of the 7-5~ play harmonics with 12

other part
g---------------------
d---12-11-------------
a---------12-11--------
e---------------11-12--