83rlr
93rlru
a4rl
b4rlr
c4rlru
xuslru
yusl
zuslr
0uslru
1usl
mltl
nltlr
oltlru
pltl
qltlr
bculr
cculru
dcul
eculr
fculru
02ulru
12ul
22ulr
32ulru
42ul