by steps
000000 000000
000000
ff7fff ff7fff
ff7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
fe7bfb fe7bfb
fe7bfb
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
fe78f7 fe78f7
fe78f7
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
fd74f4 fd74f4
fd74f4
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
fd71f0 fd71f0
fd71f0
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
fc6dec fc6dec
fc6dec
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
fc6ae9 fc6ae9
fc6ae9
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
fb66e5 fb66e5
fb66e5
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
fb63e2 fb63e2
fb63e2