by steps
000000 000000
000000
00ff00 00ff00
00ff00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
0fe800 0fe800
0fe800
007fff 007fff
007fff
00ff7f 00ff7f
00ff7f
1ed200 1ed200
1ed200
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
2ebb01 2ebb01
2ebb01
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
3da501 3da501
3da501
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
4c8f01 4c8f01
4c8f01
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
5c7802 5c7802
5c7802
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6b6202 6b6202
6b6202
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7b4c03 7b4c03
7b4c03