elle , ▁ 2 nd ▁Lib yan ▁Division ▁P esc atori ▁and ▁the ▁R ag gru pp amento ▁Male tt i ▁ ▁were ▁to ▁advance ▁along ▁the ▁track ▁from ▁Day r ▁al ▁Ham ra ▁to ▁Bir ▁ar ▁Rab iy ah ▁and ▁Bir ▁En ba ▁south ▁of ▁the ▁esc arp ment , ▁round ▁the ▁British ▁in land ▁fl ank . ▁ ▁The ▁fl ank ing ▁man oe uv re ▁by ▁the ▁R ag gru pp amento ▁Male tt i ▁mis f ired , ▁because ▁it ▁lack ed ▁ade qu ate ▁maps ▁and ▁navigation ▁equipment ▁for ▁desert ▁travel ▁and ▁the ▁group ▁got ▁lost ▁as ▁it ▁moved ▁to ▁its ▁jump ing - off ▁point ▁at ▁S idi ▁O mar . ▁XX III ▁Corps ▁Head quarters ▁( H Q ) ▁had ▁to ▁send ▁aircraft ▁to ▁guide ▁the ▁group ▁into ▁position . ▁The ▁accomp any ing ▁ 1 st ▁Lib yan ▁Division ▁Sib elle ▁and ▁ 2 nd ▁Lib yan ▁Division ▁P esc atori ▁were ▁also ▁delayed ▁in ▁reaching ▁the ▁rende z vous ▁near ▁Fort ▁Cap uz zo ▁and ▁the ▁f ias co ▁led ▁Gra z iani ▁to ▁cancel ▁the ▁wide ▁fl ank ing ▁man oe uv re . ▁The ▁ 1 0 th ▁Army , ▁in ▁a ▁mass ▁of ▁five ▁divisions ▁and ▁the ▁arm oured ▁groups , ▁was ▁ordered ▁to ▁move ▁down ▁the ▁coast ▁road , ▁occup y ▁S oll um ▁and ▁advance ▁to ▁S idi ▁Bar ran i ▁through ▁Bu q ▁Bu q . ▁Once ▁at ▁S idi ▁Bar ran i , ▁the ▁army ▁would ▁cons