x2ylrq w2ylr v2yl u2ylrq t2ylr
8bylr 7byl 6bylrq 5bylr 4byl
jlxl ilxlrq hlxlr glxl flxlrq
uuwlrq tuwlr suwl ruwlrq quwlr
53vlr 43vl 33vlrq 23vlr 13vl