by steps
000000 000000
000000
00ffff 00ffff
00ffff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
0fe3e5 0fe3e5
0fe3e5
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
1fc8cb 1fc8cb
1fc8cb
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
2eadb1 2eadb1
2eadb1
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
3e9297 3e9297
3e9297
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
4d767d 4d767d
4d767d
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
5d5b63 5d5b63
5d5b63
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6c4049 6c4049
6c4049
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7c252f 7c252f
7c252f