21,10,230
#
in steps
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000000
0000ff 0000ff
0000ff
00007f 00007f
00007f
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007f00
007f7f 007f7f
007f7f
0502f8 0502f8
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0a05f2
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1007ec 1007ec
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150ae6
7f7fff 7f7fff
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7fffff 7fffff
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1a0de0 1a0de0
1a0de0
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ff7fff ff7fff
ff7fff
2512d4 2512d4
2512d4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
2b15ce 2b15ce
2b15ce