1r2c
0r2cr2
zr2cr
yr2c
xr2cr2
c11cr2
b11cr
a11c
901cr2
801cr
na1cr
ma1c
la1cr2
ka1cr
ja1c
yj0c
xj0cr2
wj0cr
vj0c
uj0cr2
9szcr2
8szcr
7szc
6szcr2
5szcr