WURCS=2.0/2,3,4/[u2122h_2*N][u2122h_2*NCC/3=O]/1-2-2/a?|b?|c?}*OCC/3=O_a?|b?|c?}*OSO/3=O/3=O_a?|b?|c?}-{a?|b?|c?_a?|b?|c?}-{a?|b?|c?