by steps
000000 000000
000000
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759f86
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0000ff
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749786
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007fff
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00ff7f
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739087
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00ffff
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728887 728887
728887
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718188
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707989
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ff7f7f
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ff7fff
6e6a8a 6e6a8a
6e6a8a
ffff00 ffff00
ffff00
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ffff7f
ffffff ffffff
ffffff
6e638b 6e638b
6e638b