71tr
61truv
51tru
41tr
31truv
ibtruv
hbtru
gbtr
fbtruv
ebtru
tksru
sksr
rksruv
qksru
pksr
4trr
3trruv
2trru
1trr
0trruv
f3qruv
e3qru
d3qr
c3qruv
b3qru