You need to make sure that inventory pulls from the bins in a specific order.
The Warehouse Position property in the Pull Sheet specifies the position of the stock bin within the parent stock area. Items are picked based on the position specified. This option is enabled only if specify the Location Code.
You can set up the Warehouse Position by navigating to Inventory > Stock Areas:
Set the desired value for each bin in the Warehouse Position field as highlighted in the screenshot above.
The new order will be reflected in the Pull Sheet Wizard: