131,138,139
#
in steps
000000 000000
000000
7f7f7f 7f7f7f
7f7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
808182 808182
808182
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
818485 818485
818485
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
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828788
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
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838a8b 838a8b
838a8b
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7fff7f 7fff7f
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7fffff
848d8e 848d8e
848d8e
ff0000 ff0000
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859091
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
869394 869394
869394
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
889697 889697
889697