by steps
000000 000000
000000
b115b1 b115b1
b115b1
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0000ff
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ac1eb8
007fff 007fff
007fff
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00ff7f
a728bf a728bf
a728bf
00ffff 00ffff
00ffff
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7f007f
a232c6 a232c6
a232c6
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9e3cce
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9946d5 9946d5
9946d5
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9450dc 9450dc
9450dc
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
8f5ae3 8f5ae3
8f5ae3
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
8b64eb 8b64eb
8b64eb