Q sort in Qualtrics

Hello, I am trying to create a Q-sort question in Qualtrics with around 50 items to sort in 9 or 11 different groups, from least important (-5) to most important (5). I have been struggling with two things: 1) Is there a way to change the size of the different box for the groups 2) Can I program a number of item that can go in each group (from let's say 2 for -5 and +5 to 9 for 0)? Right now I can only define the minimum (2) and maximum (9), but cannot indicate specific number for each box. I assume that, if possible, I would have to do that use JavaScript. Does anyone has good resources to learn quickly Javascript. I have no skill whatsoever with programming (except for R) and do not know where to start. Thank you!