$count = 0;
$time = 0;
$last_time = 0;
$time_diff = 100;  #to ensure the first value appears in list 1
foreach $time (@times) {
unless ($count == 0) {$time_diff = $last_time - $time};

if ($time_diff >= 10) {push (@times1, $time} else
{push (@times2, $time)};

$last_time = $time;
$count ++;
} #end foreach