1l1r
2l1r3
3l1r3e
4l1r
5l1r3
qc2r3
rc2r3e
sc2r
tc2r3
uc2r3e
f32r3e
g32r
h32r3
i32r3e
j32r
4t3r
5t3r3
6t3r3e
7t3r
8t3r3
tk4r3
uk4r3e
vk4r
wk4r3
xk4r3e