zxz1p
0xz1pd
1xz1
2xz1p
3xz1pd
oo01pd
po01
qo01p
ro01pd
so01
df11
ef11p
ff11pd
gf11
hf11p
2511p
3511pd
4511
5511p
6511pd
rw21pd
sw21
tw21p
uw21pd
vw21