by steps
000000 000000
000000
1e8cde 1e8cde
1e8cde
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
3a8ac2 3a8ac2
3a8ac2
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
5688a6 5688a6
5688a6
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
72878a 72878a
72878a
7f00ff 7f00ff
7f00ff
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7f7f00
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7f7f7f
8e856f 8e856f
8e856f
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
aa8353 aa8353
aa8353
ff0000 ff0000
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ff007f
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c68237 c68237
c68237
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
e2801b e2801b
e2801b
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff