by steps
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7f7f7f
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827f70 827f70
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00ff7f
868061 868061
868061
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898053 898053
898053
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ff7fff ff7fff
ff7fff
978318 978318
978318
ffff00 ffff00
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ffff7f
ffffff ffffff
ffffff
9b840a 9b840a
9b840a