by steps
000000 000000
000000
778456 778456
778456
00007f 00007f
00007f
0000ff 0000ff
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007f00 007f00
007f00
007f7f 007f7f
007f7f
758456 758456
758456
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
738457 738457
738457
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
728457 728457
728457
7f00ff 7f00ff
7f00ff
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7f7f00
7f7f7f 7f7f7f
7f7f7f
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708458
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6e8459 6e8459
6e8459
ff0000 ff0000
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6d8459 6d8459
6d8459
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
6b845a 6b845a
6b845a
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
6a845b 6a845b
6a845b