2ubr1 3ubr18 4ubr 5ubr1 6ubr18
rlcr18 slcr tlcr1 ulcr18 vlcr
gcdr hcdr1 icdr18 jcdr kcdr1
52dr1 62dr18 72dr 82dr1 92dr18
uter18 vter wter1 xter18 yter