,customer_id,name,age
26,27,Customer_27,58
53,54,Customer_54,43
70,71,Customer_71,22
15,16,Customer_16,49
45,46,Customer_46,57
88,89,Customer_89,73
40,41,Customer_41,79
12,13,Customer_13,69
72,73,Customer_73,79
55,56,Customer_56,43
80,81,Customer_81,27
18,19,Customer_19,58
90,91,Customer_91,23
31,32,Customer_32,33
22,23,Customer_23,53