by steps
000000 000000
000000
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dc191f
00007f 00007f
00007f
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0000ff
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d51e25
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007fff
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00ff7f
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ce232c
00ffff 00ffff
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c72832 c72832
c72832
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c02e39
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b93340
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ff7f7f
ff7fff ff7fff
ff7fff
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ab3d4d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a44354 a44354
a44354