by steps
000000 000000
000000
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ff7f00
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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f28017
007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
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e5822e
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
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d88345
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7f7f00 7f7f00
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cb855c cb855c
cb855c
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7fff7f
7fffff 7fffff
7fffff
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be8773
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ff00ff
b1888a b1888a
b1888a
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
a48aa1 a48aa1
a48aa1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
978cb9 978cb9
978cb9