skp2 rkp248 qkp24 pkp2 okp248
3to248 2to24 1to2 0to248 zto24
e3n24 d3n2 c3n248 b3n24 a3n2
pcn2 ocn248 ncn24 mcn2 lcn248
0lm248 zlm24 ylm2 xlm248 wlm24