by steps
000000 000000
000000
7f00ff 7f00ff
7f00ff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
7102f7 7102f7
7102f7
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
6405ef 6405ef
6405ef
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
5607e7 5607e7
5607e7
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
490ae0 490ae0
490ae0
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
3b0cd8 3b0cd8
3b0cd8
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
2e0fd0 2e0fd0
2e0fd0
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
2011c8 2011c8
2011c8
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1314c1 1314c1
1314c1