by steps
000000 000000
000000
728ec2 728ec2
728ec2
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00007f
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0000ff
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7f80c7
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007fff
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8c73cd
00ffff 00ffff
00ffff
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9965d2
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7f7f7f
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7fffff
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b34bde
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c03de3
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ff7f7f
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ff7fff
cd30e9 cd30e9
cd30e9
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
db23ef db23ef
db23ef