mall1	product1	level1	50
mall1	product2	level1	52
mall1	product3	level1	76
mall1	product4	level1	53
mall1	product5	level1	33
mall1	product6	level1	61
mall1	product7	level1	102
mall1	product8	level1	90
mall1	product9	level1	89
mall1	product10	level1	111
