or download this
use strict;
my (%first, %second, %third);
...
A4, B2, C4, eight record
A1, B3, C4, nineth record
A2, B1, C1, tenth record
or download this
A1, B1, C1, first record
A2, B2, C2, second record
A5, B2, C3, third record
...
A1, B3, C5, fifth record
A3, B1, C2, seventh record
A4, B2, C4, eight record