4anc 3ancvx 2ancv 1anc 0ancvx

fkmcvx ekmcv dkmc ckmcvx bkmcv

qtlcv ptlc otlcvx ntlcv mtlc

12kc 02kcvx z2kcv y2kc x2kcvx

cckcvx bckcv ackc 9bkcvx 8bkcv