[beta-L-Galp-(1->6)-[beta-L-Galp-(1->3)-beta-L-Galp-(1->6)]-[beta-L-Galp-(1->3)-beta-L-Galp-(1->6)]-beta-L-Galp-(1->3)-beta-L-Galp-(1->6)]-[3)-beta-L-Galp-(1->]