by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f7f 007f7f
007f7f
018e1f 018e1f
018e1f
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
029d3e 029d3e
029d3e
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
03ac5d 03ac5d
03ac5d
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
04bb7c 04bb7c
04bb7c
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
05ca9b 05ca9b
05ca9b
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
06d9ba 06d9ba
06d9ba
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
07e8d9 07e8d9
07e8d9
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
09f8f8 09f8f8
09f8f8