by steps
000000 000000
000000
5e9e7f 5e9e7f
5e9e7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
728a8f 728a8f
728a8f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
86769f 86769f
86769f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
9a62af 9a62af
9a62af
7f00ff 7f00ff
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7f7f7f
ae4fbf ae4fbf
ae4fbf
7f7fff 7f7fff
7f7fff
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7fffff 7fffff
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c23bcf c23bcf
c23bcf
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d627df d627df
d627df
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ea13ef ea13ef
ea13ef
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff