by steps
000000 000000
000000
ff00ff ff00ff
ff00ff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
fe12fc fe12fc
fe12fc
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
fd24f9 fd24f9
fd24f9
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
fc36f6 fc36f6
fc36f6
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
fb48f3 fb48f3
fb48f3
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
fa5af0 fa5af0
fa5af0
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
f96ced f96ced
f96ced
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
f87eea f87eea
f87eea
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
f791e7 f791e7
f791e7