16q6 26q6t 36q6t4 46q6 56q6t
qxr6t rxr6t4 sxr6 txr6t uxr6t4
fos6t4 gos6 hos6t ios6t4 jos6
4et6 5et6t 6et6t4 7et6 8et6t
t5t6t u5t6t4 v5t6 w5t6t x5t6t4