by steps
000000 000000
000000
037d80 037d80
037d80
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
007f7f
057b81 057b81
057b81
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
087a82 087a82
087a82
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0b7884 0b7884
0b7884
7f00ff 7f00ff
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7f7f00 7f7f00
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7f7f7f 7f7f7f
7f7f7f
0e7785 0e7785
0e7785
7f7fff 7f7fff
7f7fff
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7fff7f
7fffff 7fffff
7fffff
117686 117686
117686
ff0000 ff0000
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ff00ff
147488 147488
147488
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
177389 177389
177389
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1a728b 1a728b
1a728b