1yqr
2yqrp
3yqrpw
4yqr
5yqrp
qprrp
rprrpw
sprr
tprrp
uprrpw
fgsrpw
ggsr
hgsrp
igsrpw
jgsr
46sr
56srp
66srpw
76sr
86srp
txtrp
uxtrpw
vxtr
wxtrp
xxtrpw