WURCS=2.0/4,4,6/[ud222m][ud122m][u2222m][u2122h]/1-2-3-4/a?|b?|c?|d?}*OC_a?|b?|c?|d?}*OC_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?