by steps
000000 000000
000000
9c9898 9c9898
9c9898
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
9b939a 9b939a
9b939a
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
9a8f9d 9a8f9d
9a8f9d
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
998aa0 998aa0
998aa0
7f00ff 7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
9886a3 9886a3
9886a3
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
9782a6 9782a6
9782a6
ff0000 ff0000
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ff007f ff007f
ff007f
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ff00ff
967da9 967da9
967da9
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
9579ac 9579ac
9579ac
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
9575af 9575af
9575af