Do scantrons read marks that are not covering bubble choices?

What happens if there is a mark on the SCANTRON that is not on top of a bubble but close to it. For example, for scantrons that have Columns of bubbles next to each other , what happens if there is a mark in between the columns .

Submitted August 04, 2023 at 10:48PM by PonyBrook https://ift.tt/GpFrw29