b7u2w
c7u2wk
d7u2
e7u2w
f7u2wk
0xv2wk
1xv2
2xv2w
3xv2wk
4xv2
pow2
qow2w
row2wk
sow2
tow2w
efx2w
ffx2wk
gfx2
hfx2w
ifx2wk
35x2wk
45x2
55x2w
65x2wk
75x2