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mall1	product2	level1	85
mall1	product3	level1	79
mall1	product4	level1	143
mall1	product5	level1	47
mall1	product6	level1	111
mall1	product7	level1	137
mall1	product8	level1	82
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mall1	product10	level1	130
mall1	product11	level1	98
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mall1	product14	level1	48
mall1	product15	level1	55
mall1	product16	level1	109
mall1	product17	level1	119
mall1	product18	level1	91
mall1	product19	level1	134
mall1	product20	level1	64
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mall2	product4	level1	143
mall2	product5	level1	47
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mall4	product18	level1	91
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mall4	product20	level1	64
