mall1	product1	level1	67
mall1	product2	level1	97
mall1	product3	level1	90
mall1	product4	level1	67
mall1	product5	level1	113
mall1	product6	level1	48
mall1	product7	level1	52
mall1	product8	level1	90
mall1	product9	level1	89
mall1	product10	level1	77
mall1	product11	level1	75
mall1	product12	level1	58
mall1	product13	level1	68
mall1	product14	level1	61
mall1	product15	level1	106
mall1	product16	level1	60
mall1	product17	level1	78
mall1	product18	level1	40
mall1	product19	level1	69
mall1	product20	level1	91
