So this is how it works.
Example, G - (355433), the number is the fret at which you play and they are in relation to each of the 6 strings i.e E,A,D,G,B,E
So now G-(355433) means you play:
E string (the thickest one) @ 3rd fret
A string @ 5th fret
D string @ 5th fret
G string @ 4th fret...