72j2 82j23 92j23i a3j2 b3j23

wtk23 xtk23i ytk2 ztk23 0tk23i

lkl23i mkl2 nkl23 okl23i pkl2

abm2 bbm23 cbm23i dbm2 ebm23

z1m23 01m23i 11m2 21m23 31m23i