by steps
000000 000000
000000
5e80c1 5e80c1
5e80c1
00007f 00007f
00007f
0000ff 0000ff
0000ff
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728fc8 728fc8
728fc8
007fff 007fff
007fff
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00ff7f
869fd0 869fd0
869fd0
00ffff 00ffff
00ffff
7f0000 7f0000
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9aafd8 9aafd8
9aafd8
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c2cfe7 c2cfe7
c2cfe7
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d6dfef d6dfef
d6dfef
ff7f00 ff7f00
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
eaeff7 eaeff7
eaeff7
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff