wxtlb vxtl uxtlbh txtlb sxtl
76sl 66slbh 56slb 46sl 36slbh
igslbh hgslb ggsl fgslbh egslb
tprlb sprl rprlbh qprlb pprl
4yql 3yqlbh 2yqlb 1yql 0yqlbh