Porcupine Tree - Jupiter Island Chords & Tabs

Song: Jupiter Island
Band: Porcupine Tree
Album: Tarquins Seaweed Farm

Ok, an older song, a simple riff but still an awesome song ^^
This is my first bass tab so yeah, sorry for any mistakes but I did work it out on 
a normal guitar.

You should be able to tell when to use these riffs and the rhythm to them.
[ Tab from: https://www.guitartabs.cc/tabs/p/porcupine_tree/jupiter_island_btab.html ]
G|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|------------------------------------4--4-4--4----------------|
E|---2--2-2--2--5--5-5--5--4--4-4--4---------------------------|




And the other riff

G|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|----7--7-7--7-5--5-5--4--4-4--4--4-4--4----------------------|
E|-------------------------------------------------------------|