by steps
000000 000000
000000
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918931
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00007f
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0000ff
007f00 007f00
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928934
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007fff
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00ff7f
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948a38
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00ffff
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978c40 978c40
978c40
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988d43
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ff7f7f
ff7fff ff7fff
ff7fff
9b8f4b 9b8f4b
9b8f4b
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
9d904f 9d904f
9d904f