by steps
000000 000000
000000
738ede 738ede
738ede
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
728edd 728edd
728edd
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
728fdc 728fdc
728fdc
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
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7f007f
718fdb 718fdb
718fdb
7f00ff 7f00ff
7f00ff
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7f7f00
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7f7f7f
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7190da
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7fff7f
7fffff 7fffff
7fffff
7190d9 7190d9
7190d9
ff0000 ff0000
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7091d8 7091d8
7091d8
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7091d7 7091d7
7091d7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7092d7 7092d7
7092d7