my $time = time();
my $time_l = $time & 0x1ff;
my $time_h = ($time >> 9);  # n > 7 and n mod 3 == 0

$time_h *= 125;
$time_l *= 125;  # 1000 = 2^3 * 5^3

printf "x %x%03x\n", 
        $time_h + ($time_l >> 9),
       ($time_l & 0x1ff) << 3;
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