nb1lr
ob1lr2
pb1l
qb1lr
rb1lr2
c21lr2
d21l
e21lr
f21lr2
g21l
1s2l
2s2lr
3s2lr2
4s2l
5s2lr
qj3lr
rj3lr2
sj3l
tj3lr
uj3lr2
fa4lr2
ga4l
ha4lr
ia4lr2
ja4l