by steps
000000 000000
000000
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69ffdf
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00007f
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0000ff
007f00 007f00
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6aebcd
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007fff
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6cd7bc 6cd7bc
6cd7bc
00ffff 00ffff
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728776 728776
728776
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ff7f7f
ff7fff ff7fff
ff7fff
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747364
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
765f53 765f53
765f53