by steps
000000 000000
000000
00ffff 00ffff
00ffff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
05f4f7 05f4f7
05f4f7
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
0ae9ef 0ae9ef
0ae9ef
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
0fdee8 0fdee8
0fdee8
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
14d3e0 14d3e0
14d3e0
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
19c8d8 19c8d8
19c8d8
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
1ebdd1 1ebdd1
1ebdd1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
23b2c9 23b2c9
23b2c9
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
28a7c2 28a7c2
28a7c2