yr1r
zr1r0
0r1r00
1r1r
2r1r0
ni2r0
oi2r00
pi2r
qi2r0
ri2r00
c92r00
d92r
e92r0
f92r00
g92r
1z3r
2z3r0
3z3r00
4z3r
5z3r0
qq4r0
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sq4r
tq4r0
uq4r00