x2z0ke
y2z0
z2z0k
02z0ke
12z0
mt00
nt00k
ot00ke
pt00
qt00k
bk10k
ck10ke
dk10
ek10k
fk10ke
0a20ke
1a20
2a20k
3a20ke
4a20
p120
q120k
r120ke
s120
t120k