remove blank space in group crystal report
<p><a href="https://i.stack.imgur.com/AbzOL.png" rel="nofollow noreferrer">this is my report look like</a> i'm working with crystal report 13.0.7 in my report. i design crystal report:</p>

<pre>
group 1 : grab
group 2 :   car
detail  :       detail
group 1 : (blank space i want remove)
group 2 :   moto
detail  :       detail
group 1 :(blank space i want remove)
group 2 :   taxi
detail  :       detail
</pre>

<p>Edit
<a href="https://i.stack.imgur.com/dopER.png" rel="nofollow noreferrer">this is report's design </a>
i want suppress the blank space in group 1 like description, but i can't find solution for that</p>