by steps
000000 000000
000000
007f00 007f00
007f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f7f 007f7f
007f7f
187f1c 187f1c
187f1c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
307f39 307f39
307f39
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
487f55 487f55
487f55
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
607f72 607f72
607f72
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
787f8f 787f8f
787f8f
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
907fab 907fab
907fab
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a87fc8 a87fc8
a87fc8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
c17fe5 c17fe5
c17fe5