t0v1w s0v1 r0v1wl q0v1w p0v1
49u1 39u1wl 29u1w 19u1 09u1wl
fju1wl eju1w dju1 cju1wl bju1w
qst1w pst1 ost1wl nst1w mst1
11s1 01s1wl z1s1w y1s1 x1s1wl