by steps
000000 000000
000000
12168f 12168f
12168f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
22299d 22299d
22299d
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
323dab 323dab
323dab
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
4251b9 4251b9
4251b9
7f00ff 7f00ff
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7f7f7f
5265c7 5265c7
5265c7
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
6279d5 6279d5
6279d5
ff0000 ff0000
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ff00ff
728de3 728de3
728de3
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
82a1f1 82a1f1
82a1f1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
93b5ff 93b5ff
93b5ff