n29qr
o29qrb
p29q
q29qr
r29qrb
ctarrb
dtar
etarr
ftarrb
gtar
1jbr
2jbrr
3jbrrb
4jbr
5jbrr
qacrr
racrrb
sacr
tacrr
uacrrb
f1crrb
g1cr
h1crr
i1crrb
j1cr