by steps
000000 000000
000000
e40a3f e40a3f
e40a3f
00007f 00007f
00007f
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0000ff
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007f7f
d72857 d72857
d72857
007fff 007fff
007fff
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00ff7f
ca476f ca476f
ca476f
00ffff 00ffff
00ffff
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be6587
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b1849f
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a4a3b7 a4a3b7
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98c1cf
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ff7f7f
ff7fff ff7fff
ff7fff
8be0e7 8be0e7
8be0e7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff