x1rbtv
y1rb
z1rbt
01rbtv
11rb
mssb
nssbt
ossbtv
pssb
qssbt
bjtbt
cjtbtv
djtb
ejtbt
fjtbtv
09tbtv
19tb
29tbt
39tbtv
49tb
p0ub
q0ubt
r0ubtv
s0ub
t0ubt