7z5b
6z5br5
5z5br
4z5b
3z5br5
i94br5
h94br
g94b
f94br5
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ti4br
si4b
ri4br5
qi4br
pi4b
4r3b
3r3br5
2r3br
1r3b
0r3br5
f12br5
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d12b
c12br5
b12br