by steps
000000 000000
000000
ff7f7f ff7f7f
ff7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f08287 f08287
f08287
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
e28590 e28590
e28590
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
d38899 d38899
d38899
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
c58ba2 c58ba2
c58ba2
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
b78eab b78eab
b78eab
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
a891b4 a891b4
a891b4
ff7f00 ff7f00
ff7f00
ff7fff ff7fff
ff7fff
9a94bd 9a94bd
9a94bd
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
8c98c6 8c98c6
8c98c6