by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f7f 007f7f
007f7f
1a6f00 1a6f00
1a6f00
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
355f01 355f01
355f01
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
4f4f02 4f4f02
4f4f02
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
6a3f03 6a3f03
6a3f03
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
842f03 842f03
842f03
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
9f1f04 9f1f04
9f1f04
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
b90f05 b90f05
b90f05
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
d40006 d40006
d40006