1 / 2 , 18,840 51 1 / 2 , 18,852 78 1 / 4 lod ; den 2 , N.s 18,854 15 , 18,856 35 , 18,863 17 3 / 4 , 18,866 11 lod ; den 3 , M 18,885 21 lod;