by steps
000000 000000
000000
728ade 728ade
728ade
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
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738ae0
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
748ae2 748ae2
748ae2
00ffff 00ffff
00ffff
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7f0000
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7f007f
758ae5 758ae5
758ae5
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7f7f00
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7f7f7f
778ae7 778ae7
778ae7
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7f7fff
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7fff00
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7fff7f
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7fffff
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788ae9
ff0000 ff0000
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ff00ff
798aec 798aec
798aec
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7a8aee 7a8aee
7a8aee
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7c8bf1 7c8bf1
7c8bf1