xo27pm yo27 zo27p 0o27pm 1o27
mf37 nf37p of37pm pf37 qf37p
b637p c637pm d637 e637p f637pm
0w47pm 1w47 2w47p 3w47pm 4w47
pn57 qn57p rn57pm sn57 tn57p