4nsr
3nsrpf
2nsrp
1nsr
0nsrpf
fxrrpf
exrrp
dxrr
cxrrpf
bxrrp
q6qrp
p6qr
o6qrpf
n6qrp
m6qr
1fqr
0fqrpf
zfqrp
yfqr
xfqrpf
cpprpf
bpprp
appr
9oprpf
8oprp