thu23 shu2 rhu237 qhu23 phu2
4qt2 3qt237 2qt23 1qt2 0qt237
f0s237 e0s23 d0s2 c0s237 b0s23
q9r23 p9r2 o9r237 n9r23 m9r2
1ir2 0ir237 zir23 yir2 xir237