by steps
000000 000000
000000
698611 698611
698611
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
6a860f 6a860f
6a860f
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007fff
00ff00 00ff00
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00ff7f 00ff7f
00ff7f
6c860d 6c860d
6c860d
00ffff 00ffff
00ffff
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6e860b 6e860b
6e860b
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708609
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728607 728607
728607
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748605 748605
748605
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
768603 768603
768603
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
788702 788702
788702