(Self) Index in your block.
Divide, and enter
Select the Divide bubble in your Set Position block, and then tap on the
Subtract block. Now enter
Select the Subtract bubble in your Set Position block, and then tap the
Round block to add it to your code.
Now, tap the entire
Round bubble, and add the
Multiply block. Add whatever spacing you want.
Finally, do the same thing again, but tap the Multiply bubble and add the
Add block. Enter whatever value you want, in this case you may want
(Circle) Y Position.