ithbhw hthbh gthb fthbhw ethbh
t2gbh s2gb r2gbhw q2gbh p2gb
4bgb 3bgbhw 2bgbh 1bgb 0bgbhw
flfbhw elfbh dlfb clfbhw blfbh
quebh pueb ouebhw nuebh mueb