zvi2p 0vi2pi 1vi2 2vi2p 3vi2pi
omj2pi pmj2 qmj2p rmj2pi smj2
ddk2 edk2p fdk2pi gdk2 hdk2p
23k2p 33k2pi 43k2 53k2p 63k2pi
rul2pi sul2 tul2p uul2pi vul2