update t0 set t0.series=t2.series
from NNM2 t0
inner join NNM1 t1 on t1.Series=t0.Series
inner join NNM1 t2 on t2.SeriesName=replace(t1.SeriesName,'19','20') and t1.ObjectCode=t2.objectcode
--and t0.ObjectCode='13'