by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
727e10 727e10
727e10
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
667e21 667e21
667e21
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
597d32 597d32
597d32
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
4d7d43 4d7d43
4d7d43
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
417d53 417d53
417d53
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
347c64 347c64
347c64
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
287c75 287c75
287c75
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1c7c86 1c7c86
1c7c86