by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
8b7b18 8b7b18
8b7b18
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
977830 977830
977830
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
a37548 a37548
a37548
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
af7260 af7260
af7260
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
bb6e78 bb6e78
bb6e78
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
c76b90 c76b90
c76b90
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
d368a8 d368a8
d368a8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
df65c1 df65c1
df65c1