b4ach c4ach1 d4ac e4ach f4ach1
0ubch1 1ubc 2ubch 3ubch1 4ubc
plcc qlcch rlcch1 slcc tlcch
ecdch fcdch1 gcdc hcdch icdch1
32dch1 42dc 52dch 62dch1 72dc