by steps
000000 000000
000000
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ffff00
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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e1fb14
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
c3f728 c3f728
c3f728
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
a5f33d a5f33d
a5f33d
7f00ff 7f00ff
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7f7f7f
87f051 87f051
87f051
7f7fff 7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
69ec65 69ec65
69ec65
ff0000 ff0000
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ff00ff
4be87a 4be87a
4be87a
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
2de48e 2de48e
2de48e
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
10e1a3 10e1a3
10e1a3