4um1 3um19a 2um19 1um1 0um19a
f4l19a e4l19 d4l1 c4l19a b4l19
qdl19 pdl1 odl19a ndl19 mdl1
1mk1 0mk19a zmk19 ymk1 xmk19a
cwj19a bwj19 awj1 9vj19a 8vj19