?-L-Galp-(1->?)-?-D-Galp6S-(1->?)-?-L-Galp-(1->?)-?-D-Galp6S-(1->?)-?-L-Galp-(1->?)-?-D-Galp6S-(1->?)-?-L-Galp-(1->?)-?-D-Galp(1->