by steps
000000 000000
000000
b5c52a b5c52a
b5c52a
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
b2c728 b2c728
b2c728
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
b0c926 b0c926
b0c926
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
aecb24 aecb24
aecb24
7f00ff 7f00ff
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7f7f7f
acce23 acce23
acce23
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
a9d021 a9d021
a9d021
ff0000 ff0000
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ff007f
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ff00ff
a7d21f a7d21f
a7d21f
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a5d41d a5d41d
a5d41d
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a3d71c a3d71c
a3d71c