by steps
000000 000000
000000
00ffff 00ffff
00ffff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
1ff0e0 1ff0e0
1ff0e0
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
3fe2c2 3fe2c2
3fe2c2
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
5fd4a4 5fd4a4
5fd4a4
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
7fc686 7fc686
7fc686
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
9eb768 9eb768
9eb768
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
bea94a bea94a
bea94a
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
de9b2c de9b2c
de9b2c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
fe8d0e fe8d0e
fe8d0e