by steps
000000 000000
000000
ff7f7f ff7f7f
ff7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f37d89 f37d89
f37d89
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
e77c93 e77c93
e77c93
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
dc7a9d dc7a9d
dc7a9d
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
d079a7 d079a7
d079a7
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
c477b1 c477b1
c477b1
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
b976bb b976bb
b976bb
ff7f00 ff7f00
ff7f00
ff7fff ff7fff
ff7fff
ad74c5 ad74c5
ad74c5
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a273cf a273cf
a273cf