by steps
000000 000000
000000
7f00ff 7f00ff
7f00ff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
720ff7 720ff7
720ff7
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
661fef 661fef
661fef
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
592fe8 592fe8
592fe8
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
4d3fe0 4d3fe0
4d3fe0
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
414fd8 414fd8
414fd8
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
345fd1 345fd1
345fd1
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
286fc9 286fc9
286fc9
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1c7fc2 1c7fc2
1c7fc2