by steps
000000 000000
000000
1a728b 1a728b
1a728b
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00007f
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0000ff
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007f7f 007f7f
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166389 166389
166389
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007fff
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00ff7f
135588 135588
135588
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
104786 104786
104786
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0d3985
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7fffff 7fffff
7fffff
092a83 092a83
092a83
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061c82 061c82
061c82
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
030e80 030e80
030e80
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff