a3fi b3fi2 c3fi20 d3fi e3fi2
ztgi2 0tgi20 1tgi 2tgi2 3tgi20
okhi20 pkhi qkhi2 rkhi20 skhi
dbii ebii2 fbii20 gbii hbii2
21ii2 31ii20 41ii 51ii2 61ii20