z2opt
02optx
12op
22opt
32optx
otpptx
ptpp
qtppt
rtpptx
stpp
dkqp
ekqpt
fkqptx
gkqp
hkqpt
2arpt
3arptx
4arp
5arpt
6arptx
r1rptx
s1rp
t1rpt
u1rptx
v1rp