A distributor on the conveyor belt should split a resource from one input to 2 outputs. However, this does not work correctly. Normally, the resource should always be split alternately between the outputs. But it does not. Sometimes 4 pieces of the resource go to the first input, then 1 piece of the resource to the second output and then again 2 pieces of the resource to the first output.
To illustrate this better:
It would be perfect like this: 1 input = 2 output A - B - A - B - A - B - A - B
At the moment it looks like this: 1 input = 2 output A - A - A - B - A - B - B - B - A - A - A - A etc