pdra qdra6 rdra6r sdra tdra6

e4ra6 f4ra6r g4ra h4ra6 i4ra6r

3usa6r 4usa 5usa6 6usa6r 7usa

slta tlta6 ulta6r vlta wlta6

hcua6 icua6r jcua kcua6 lcua6r