(1)  -4, -4b, -4, 4.
(2) -4,4,-3b,3
(3) -4b,-5,-4b,4,-3b,3
(4) -4b, -4b, 4, -3b, 3


(1) is the main one that's played, sometimes made a bit longer by repeating -4,-4b
(2) is played at 01:08, 01:13, 02:16
(3) at 02:09
(4) at 02:20