by steps
000000 000000
000000
887ab0 887ab0
887ab0
00007f 00007f
00007f
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0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
847dad 847dad
847dad
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007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8180ab 8180ab
8180ab
00ffff 00ffff
00ffff
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7f007f
7e83a9 7e83a9
7e83a9
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7b86a7
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7889a5
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758ca3 758ca3
758ca3
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
728fa1 728fa1
728fa1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6f939f 6f939f
6f939f