6,21,123
#
in steps
000000 000000
000000
07187b 07187b
07187b
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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06177b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
06167b 06167b
06167b
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
06157b 06157b
06157b
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7f00ff
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7f7f7f 7f7f7f
7f7f7f
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7f7fff
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7fffff 7fffff
7fffff
05147b 05147b
05147b
ff0000 ff0000
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ff7f7f ff7f7f
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ff7fff ff7fff
ff7fff
05127b 05127b
05127b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
05127c 05127c
05127c