WURCS=2.0/4,4,4/[u2211m][u2122h][u2112h][u1122A]/1-2-3-4/a?|b?|c?|d?}*OC_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?