by steps
000000 000000
000000
2b84cb 2b84cb
2b84cb
00007f 00007f
00007f
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0000ff
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007f7f 007f7f
007f7f
3585be 3585be
3585be
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007fff
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00ff7f
3f86b2 3f86b2
3f86b2
00ffff 00ffff
00ffff
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4988a6 4988a6
4988a6
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7f7f7f
54899a 54899a
54899a
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7fffff
5e8a8d 5e8a8d
5e8a8d
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688c81 688c81
688c81
ff7f00 ff7f00
ff7f00
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ff7f7f
ff7fff ff7fff
ff7fff
728d75 728d75
728d75
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
7d8f69 7d8f69
7d8f69