setting the X & Y start points for new/next layer begin

[magicmarc 0]

hi, i noticed a small base plate i use often, and have printed a few times now, in different modes, default, fine, etc... has a small vertical bead in the same spot on each different print of the same item,,,same spot.

another forum for the printer i use mentioned that its probably where the new layer  begin each layer, and i could change the start x & y coordinates (as well as lower the temp a bit...)

 

so my question is , i see in the the attached picture, the settings area for the 'layer start X & layer start Y' but i dont know / understand what to set this to, in order to have the layer star on the inner walls of all items i print, i never want the seam on the outer walls... so what do i actually set this to, as i dont know the exact x & y of the items im printing/slicing in cura. or where to even set the start point...

thanks everyone.

mm

[magicmarc 0]

here are the pictures of the little bead/seam i am referring to: