A,B,DIFF 8.9,8.5,0.4 9.4,9.3,0.1 11.2,10.8,0.4 11.4,11.6,-0.2 13,12.9,0.1 6.4,6.5,-0.1 13.4,13.1,0.3 5.6,5.1,0.5 4.8,4.3,0.5 15.8,15.6,0.2