by steps
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000000
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7995c8
00007f 00007f
00007f
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0000ff
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007fff
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00ff7f
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7792c6
00ffff 00ffff
00ffff
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7691c6
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7590c5
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738dc4
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ff7f00
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ff7f7f
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ff7fff
728cc3 728cc3
728cc3
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
718bc3 718bc3
718bc3