How do I print 11 22 33 41 52 63 in php? -

i have written code code want print 11 22 33 41 52 63 how ?

<?php    for($i=1;$i<=6;$i++){        for($j=1;$j<=3;$j++){            echo $i.$j."\n";        }    } ?> 

if you're looking algorithm:

<?php $n=1; ($i=1;$i<=2;$i++){     for($j=1;$j<=3;$j++){         echo $n.$j."\n";         $n++;     } }  ?>