yxr1
zxr11
0xr11u
1xr1
2xr11
nos11
oos11u
pos1
qos11
ros11u
cft11u
dft1
eft11
fft11u
gft1
15t1
25t11
35t11u
45t1
55t11
qwu11
rwu11u
swu1
twu11
uwu11u