Select Code to Download

    for (my $i = 0; $i <= $#list; $i += $C) {
        push @AoA, [ @list[$i .. $i + $C - 1] ];
    }

[[1 .. 4], [5 .. 8], [9 .. 12]]
[1 .. 12]

[[1 .. 4], [5 .. 8], [9 .. 12], [13, 14, undef, undef]]
[1 .. 14]

    for (my $i = 0; $i <= $#list; $i += $C) {
        my $end = $i + $C - 1;
        $end = $#list if $end > $#list;
        push @AoA, [ @list[$i .. $end] ];
    }

[[1 .. 4], [5 .. 8], [9 .. 12], [13, 14]]
[1 .. 14]

[[1 .. 4], [5 .. 8], [9 .. 12]]
[1 .. 12]