b4k21 c4k21c d4k2 e4k21 f4k21c
0ul21c 1ul2 2ul21 3ul21c 4ul2
plm2 qlm21 rlm21c slm2 tlm21
ecn21 fcn21c gcn2 hcn21 icn21c
32n21c 42n2 52n21 62n21c 72n2