by steps
000000 000000
000000
7f00ff 7f00ff
7f00ff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
8516f7 8516f7
8516f7
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8c2def 8c2def
8c2def
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
9243e8 9243e8
9243e8
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
995ae0 995ae0
995ae0
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
a070d8 a070d8
a070d8
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
a687d1 a687d1
a687d1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ad9dc9 ad9dc9
ad9dc9
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
b4b4c2 b4b4c2
b4b4c2