boy MatA MatB 1 13.2 14 2 8.2 8.8 3 10.9 11.2 4 14.3 14.2 5 10.7 11.8 6 6.6 6.4 7 9.5 9.8 8 10.8 11.3 9 8.8 9.3 10 13.3 13.6