by steps
000000 000000
000000
ffff7f ffff7f
ffff7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f7ed89 f7ed89
f7ed89
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
efdc94 efdc94
efdc94
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
e7cb9e e7cb9e
e7cb9e
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
e0baa9 e0baa9
e0baa9
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
d8a8b3 d8a8b3
d8a8b3
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
d097be d097be
d097be
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
c886c8 c886c8
c886c8
ffff00 ffff00
ffff00
ffffff ffffff
ffffff
c175d3 c175d3
c175d3