by steps
000000 000000
000000
9e8767 9e8767
9e8767
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
9c8868 9c8868
9c8868
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
9a8969 9a8969
9a8969
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
998a6b 998a6b
998a6b
7f00ff 7f00ff
7f00ff
7f7f00 7f7f00
7f7f00
7f7f7f 7f7f7f
7f7f7f
978b6c 978b6c
978b6c
7f7fff 7f7fff
7f7fff
7fff00 7fff00
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
958c6d 958c6d
958c6d
ff0000 ff0000
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ff007f
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ff00ff
948d6f 948d6f
948d6f
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
928e70 928e70
928e70
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
919072 919072
919072