by steps
000000 000000
000000
ff7f7f ff7f7f
ff7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
f78d87 f78d87
f78d87
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
ef9b8f ef9b8f
ef9b8f
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
e7a997 e7a997
e7a997
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
dfb89f dfb89f
dfb89f
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
d7c6a7 d7c6a7
d7c6a7
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
cfd4af cfd4af
cfd4af
ff7f00 ff7f00
ff7f00
ff7fff ff7fff
ff7fff
c7e2b7 c7e2b7
c7e2b7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
bff1bf bff1bf
bff1bf