66,67,128
#
in steps
000000 000000
000000
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
10107f 10107f
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007fff
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00ff00
00ff7f 00ff7f
00ff7f
21217f 21217f
21217f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
313280 313280
313280
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7f7f7f 7f7f7f
7f7f7f
424380 424380
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535480 535480
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ff7fff ff7fff
ff7fff
747681 747681
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ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
858782 858782
858782