42,64,127
#
in steps
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000000
174f7f 174f7f
174f7f
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
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1b4b7f
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00ff7f 00ff7f
00ff7f
20477f 20477f
20477f
00ffff 00ffff
00ffff
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25437f 25437f
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2f3c7f 2f3c7f
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39347f 39347f
39347f
ffff00 ffff00
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ffffff ffffff
ffffff
3e317f 3e317f
3e317f