5le2o 4le2 3le2o9 2le2o 1le2

gvd2 fvd2o9 evd2o dvd2 cvd2o9

r4c2o9 q4c2o p4c2 o4c2o9 n4c2o

2dc2o 1dc2 0dc2o9 zdc2o ydc2

dnb2 cnb2o9 bnb2o anb2 9mb2o9