by steps
000000 000000
000000
756275 756275
756275
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
867586 867586
867586
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
978997 978997
978997
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
a89ca8 a89ca8
a89ca8
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
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bab0ba
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
cbc4cb cbc4cb
cbc4cb
ff0000 ff0000
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dcd7dc dcd7dc
dcd7dc
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
edebed edebed
edebed
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff