by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f7f 007f7f
007f7f
0f840b 0f840b
0f840b
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
1f8a17 1f8a17
1f8a17
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
2f9022 2f9022
2f9022
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
3f962e 3f962e
3f962e
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
4f9b3a 4f9b3a
4f9b3a
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
5fa145 5fa145
5fa145
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6fa751 6fa751
6fa751
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7fad5d 7fad5d
7fad5d