HTML RESULT 
{sequence '31..40', make, even}
  {$sequence}
{/sequence}
32 32 34 34 36 36 38 38 40 40
{sequence '31..40', keep, even}
  {$sequence}
{/sequence}
32 34 36 38 40
{sequence '31..40', remove, even}
  {$sequence}
{/sequence}
31 33 35 37 39

HTML RESULT 
{sequence '31..40', make, even, make, add=3}
  {$sequence}
{/sequence}
35 35 37 37 39 39 41 41 43 43
{sequence '31..40', keep, even, make, add=3}
  {$sequence}
{/sequence}
35 37 39 41 43
{sequence '31..40', remove, even, make, add=3}
  {$sequence}
{/sequence}
34 36 38 40 42

HTML RESULT 
{sequence '31..40', make, even, make='add|3'}
  {$sequence}
{/sequence}
35 35 37 37 39 39 41 41 43 43
{sequence '31..40', keep, even, make='add|3'}
  {$sequence}
{/sequence}
35 37 39 41 43
{sequence '31..40', remove, even, make='add|3'}
  {$sequence}
{/sequence}
34 36 38 40 42