Niall's 2000 306 XS A.K.A Craig

[Niall]

haynes says 4wheel bosch should be left front/right front/left rear/right rear

but then it says if you have difficulty then try righttrear/ leftrear/ leftfront/ right front ha ha

This was the thought I just had as surely you would have to bleed it to the abs pump which is front near side.
There is a and bleed option on pug planet but I think all that does is activate the abs pump for a few seconds to get the air out of that!