by steps
000000 000000
000000
f72631 f72631
f72631
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f72833 f72833
f72833
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
f72b35 f72b35
f72b35
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
f72d37 f72d37
f72d37
7f00ff 7f00ff
7f00ff
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7f7f7f
f8303a f8303a
f8303a
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
f8333c f8333c
f8333c
ff0000 ff0000
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f8353e
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
f83840 f83840
f83840
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
f93b43 f93b43
f93b43