by steps
000000 000000
000000
e1b2b4 e1b2b4
e1b2b4
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
007f7f 007f7f
007f7f
d4abad d4abad
d4abad
007fff 007fff
007fff
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00ff00
00ff7f 00ff7f
00ff7f
c8a5a6 c8a5a6
c8a5a6
00ffff 00ffff
00ffff
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bc9ea0 bc9ea0
bc9ea0
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7f7f7f
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b09899
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7fff7f 7fff7f
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7fffff 7fffff
7fffff
a39292 a39292
a39292
ff0000 ff0000
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978b8c 978b8c
978b8c
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8b8585 8b8585
8b8585
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff