by steps
000000 000000
000000
6697e1 6697e1
6697e1
00007f 00007f
00007f
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0000ff
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007f00
007f7f 007f7f
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6894e3
007fff 007fff
007fff
00ff00 00ff00
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00ff7f
6b92e5 6b92e5
6b92e5
00ffff 00ffff
00ffff
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6d8fe8 6d8fe8
6d8fe8
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708dea
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728bec 728bec
728bec
ff0000 ff0000
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7588ef 7588ef
7588ef
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7786f1 7786f1
7786f1
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7a84f4 7a84f4
7a84f4