37,21,238
#
in steps
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000000
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1f12f1
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00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
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2012f0 2012f0
2012f0
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2213ef 2213ef
2213ef
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7f007f 7f007f
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2314ee 2314ee
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2917eb 2917eb
2917eb
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2b18eb 2b18eb
2b18eb