ke7sw je7s ie7sw3 he7sw ge7s
vn6s un6sw3 tn6sw sn6s rn6sw3
6w5sw3 5w5sw 4w5s 3w5sw3 2w5sw
h64sw g64s f64sw3 e64sw d64s
sf4s rf4sw3 qf4sw pf4s of4sw3