by steps
000000 000000
000000
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7f7f7f
00007f 00007f
00007f
0000ff 0000ff
0000ff
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007f00
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007f7f
83817a 83817a
83817a
007fff 007fff
007fff
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00ff7f 00ff7f
00ff7f
878476 878476
878476
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f
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8b8672
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7fff7f
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7fffff
938c69 938c69
938c69
ff0000 ff0000
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978e65 978e65
978e65
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
9b9161 9b9161
9b9161
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
a0945d a0945d
a0945d