by steps
000000 000000
000000
7f7f00 7f7f00
7f7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
867c02 867c02
867c02
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
8e7a05 8e7a05
8e7a05
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
957807 957807
957807
7f00ff 7f00ff
7f00ff
7f7f7f 7f7f7f
7f7f7f
9d760a 9d760a
9d760a
7f7fff 7f7fff
7f7fff
7fff00 7fff00
7fff00
7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
a5730c a5730c
a5730c
ff0000 ff0000
ff0000
ff007f ff007f
ff007f
ff00ff ff00ff
ff00ff
ac710f ac710f
ac710f
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
b46f11 b46f11
b46f11
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
bc6d14 bc6d14
bc6d14