6d5r3k 5d5r3 4d5r 3d5r3k 2d5r3
hn4r3 gn4r fn4r3k en4r3 dn4r
sw3r rw3r3k qw3r3 pw3r ow3r3k
352r3k 252r3 152r 052r3k z52r3
ef2r3 df2r cf2r3k bf2r3 af2r