WURCS=2.0/4,5,4/[a2122h-1a_1-5_2*N][a1122h-1a_1-5][a2112h-1b_1-4][a2112h-1a_1-5]/1-2-2-3-4/a4-b1_b3-c1_c3-d1_d3-e1