by steps
000000 000000
000000
7fff00 7fff00
7fff00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
80f20d 80f20d
80f20d
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
81e51a 81e51a
81e51a
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
82d828 82d828
82d828
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
84cc35 84cc35
84cc35
7f7fff 7f7fff
7f7fff
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
85bf42 85bf42
85bf42
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
86b250 86b250
86b250
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
87a55d 87a55d
87a55d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
89996b 89996b
89996b