by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
847d03 847d03
847d03
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
897c07 897c07
897c07
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
8e7a0b 8e7a0b
8e7a0b
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
94790f 94790f
94790f
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
997812 997812
997812
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
9e7616 9e7616
9e7616
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a3751a a3751a
a3751a
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a9741e a9741e
a9741e