parent_part_occ	Instance	Return
Part_occur-tag-3(Axle)	Instance-tag-1(Left)	Part_occur-tag-5
Part_occur-tag-3(Axle)	Instance-tag-2(Right)	Part_occur-tag-6
Part_occur-tag-4(Axle)	Instance-tag-1(Left)	Part_occur-tag-7
Part_occur-tag-4(Axle)	Instance-tag-2(Right)	Part_occur-tag-8