by steps
000000 000000
000000
7fff7f 7fff7f
7fff7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
8be779 8be779
8be779
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
97cf73 97cf73
97cf73
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
a4b76d a4b76d
a4b76d
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
b09f67 b09f67
b09f67
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fffff 7fffff
7fffff
bc8761 bc8761
bc8761
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
c96f5b c96f5b
c96f5b
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
d55755 d55755
d55755
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
e24050 e24050
e24050