tsif2 ssif rsif23 qsif2 psif

41hf 31hf23 21hf2 11hf 01hf23

fbhf23 ebhf2 dbhf cbhf23 bbhf2

qkgf2 pkgf okgf23 nkgf2 mkgf

1tff 0tff23 ztff2 ytff xtff23