<entry> <ent_seq>2441200</ent_seq> <k_ele> <keb>冠位十二階</keb> </k_ele> <r_ele> <reb>かんいじゅうにかい</reb> </r_ele> <trans> <trans_det>first system to rank officials into 12 levels (603 CE)</trans_det> </trans> </entry>