skvd rkvdpd qkvdp pkvd okvdpd
3tudpd 2tudp 1tud 0tudpd ztudp
e3tdp d3td c3tdpd b3tdp a3td
pctd octdpd nctdp mctd lctdpd
0lsdpd zlsdp ylsd xlsdpd wlsdp