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a4r2
b4r2p
c4r2po
d4r2
yus2
zus2p
0us2po
1us2
2us2p
nlt2p
olt2po
plt2
qlt2p
rlt2po
ccu2po
dcu2
ecu2p
fcu2po
gcu2
12u2
22u2p
32u2po
42u2
52u2p