18,6,187
#
in steps
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000000
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00007f
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0000ff
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007f00
007f7f 007f7f
007f7f
04018e 04018e
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00ff7f
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0d04ac
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1f0be8 1f0be8
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ffff00
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ffff7f
ffffff ffffff
ffffff
240df8 240df8
240df8