WURCS=2.0/4,4,3/[uFfxxm][udxxxm_3*NCC/3=O][uxxxxm_4*NCC/3=O][uxxxxm]/1-2-3-4/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?