by steps
000000 000000
000000
ffff7f ffff7f
ffff7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
fcf089 fcf089
fcf089
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
fae194 fae194
fae194
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
f8d29e f8d29e
f8d29e
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
f6c3a9 f6c3a9
f6c3a9
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
f3b4b3 f3b4b3
f3b4b3
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
f1a5be f1a5be
f1a5be
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
ef96c8 ef96c8
ef96c8
ffff00 ffff00
ffff00
ffffff ffffff
ffffff
ed87d3 ed87d3
ed87d3