by steps
000000 000000
000000
679d9b 679d9b
679d9b
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00007f
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0000ff
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007f00
007f7f 007f7f
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689b99
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007fff
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00ff7f 00ff7f
00ff7f
699997 699997
699997
00ffff 00ffff
00ffff
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7f007f
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6d9492 6d9492
6d9492
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6f9291 6f9291
6f9291
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ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
70908f 70908f
70908f
ffff00 ffff00
ffff00
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ffffff ffffff
ffffff
728f8e 728f8e
728f8e