by steps
000000 000000
000000
c0939c c0939c
c0939c
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0000ff
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007f7f 007f7f
007f7f
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b79098
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007fff
00ff00 00ff00
00ff00
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00ff7f
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af8e94
00ffff 00ffff
00ffff
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7f007f
a78b91 a78b91
a78b91
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7fffff
978689 978689
978689
ff0000 ff0000
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ff00ff
8f8486 8f8486
8f8486
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
878182 878182
878182
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff