by steps
000000 000000
000000
7fff00 7fff00
7fff00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
80df1c 80df1c
80df1c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
82c038 82c038
82c038
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
83a054 83a054
83a054
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
858170 858170
858170
7f7fff 7f7fff
7f7fff
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
86618c 86618c
86618c
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
8842a8 8842a8
8842a8
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8922c4 8922c4
8922c4
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
8b03e1 8b03e1
8b03e1