by steps
000000 000000
000000
7f7fff 7f7fff
7f7fff
00007f 00007f
00007f
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0000ff
007f00 007f00
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007f7f 007f7f
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007fff 007fff
007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
7a82d5 7a82d5
7a82d5
00ffff 00ffff
00ffff
7f0000 7f0000
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7884c0
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7f7f7f
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7686ab
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748896 748896
748896
ff0000 ff0000
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728a81 728a81
728a81
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
708c6c 708c6c
708c6c
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6e8e58 6e8e58
6e8e58