t1rr2
s1rr
r1rr2u
q1rr2
p1rr
4arr
3arr2u
2arr2
1arr
0arr2u
fkqr2u
ekqr2
dkqr
ckqr2u
bkqr2
qtpr2
ptpr
otpr2u
ntpr2
mtpr
12or
02or2u
z2or2
y2or
x2or2u