axb2 bxb2w cxb2w0 dxb2 exb2w

znc2w 0nc2w0 1nc2 2nc2w 3nc2w0

oed2w0 ped2 qed2w red2w0 sed2

d5d2 e5d2w f5d2w0 g5d2 h5d2w

2ve2w 3ve2w0 4ve2 5ve2w 6ve2w0