by steps
000000 000000
000000
7f7fff 7f7fff
7f7fff
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
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728cf4 728cf4
728cf4
007fff 007fff
007fff
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00ff00
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00ff7f
669aea 669aea
669aea
00ffff 00ffff
00ffff
7f0000 7f0000
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7f007f 7f007f
7f007f
59a8e0 59a8e0
59a8e0
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4db6d6 4db6d6
4db6d6
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40c3cb 40c3cb
40c3cb
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34d1c1 34d1c1
34d1c1
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ff7f7f
ff7fff ff7fff
ff7fff
27dfb7 27dfb7
27dfb7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
1bedad 1bedad
1bedad