by steps
000000 000000
000000
6f8f5f 6f8f5f
6f8f5f
00007f 00007f
00007f
0000ff 0000ff
0000ff
007f00 007f00
007f00
007f7f 007f7f
007f7f
708d6c 708d6c
708d6c
007fff 007fff
007fff
00ff00 00ff00
00ff00
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00ff7f
718c79 718c79
718c79
00ffff 00ffff
00ffff
7f0000 7f0000
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728a86 728a86
728a86
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7f7f7f
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748993
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7588a0 7588a0
7588a0
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7686ad 7686ad
7686ad
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
7785ba 7785ba
7785ba
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff
7984c8 7984c8
7984c8