by steps
000000 000000
000000
72e00e 72e00e
72e00e
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
6dd413 6dd413
6dd413
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
68c918 68c918
68c918
00ffff 00ffff
00ffff
7f0000 7f0000
7f0000
7f007f 7f007f
7f007f
64be1d 64be1d
64be1d
7f00ff 7f00ff
7f00ff
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7f7f00
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7f7f7f
5fb323 5fb323
5fb323
7f7fff 7f7fff
7f7fff
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7fff7f 7fff7f
7fff7f
7fffff 7fffff
7fffff
5aa728 5aa728
5aa728
ff0000 ff0000
ff0000
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ff00ff
569c2d 569c2d
569c2d
ff7f00 ff7f00
ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
519132 519132
519132
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
4d8638 4d8638
4d8638