how to loop reading data from sdcard

i try to looping reading data without file.close()
data on sd card :
10,11
12,13
14,15

on the output
10,11
12,13
14,15
14,15
14,15

i want the output is

10,11
12,13
14,15
10,11
12,13
14,15

anyone can help me please ? or have another solution because my array just read the last index

or have another solution

Without seeing your code? No.