WURCS=2.0/2,4,3/[AUd21122h_5*NCC/3=O][u2112h]/1-1-1-2/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?