on the rules.
This is why you should mentally rotate the object.
Ask:
What does the back look like?
Does the opening continue through the other side?
Is there another visible opening?
Does the tear connect with an existing opening?
These questions can change the result.
Before settling on a number, there is a simple step-by-step method that can prevent the most common counting mistakes.
A Simple Counting Method
If you encounter a puzzle like this, don’t immediately guess.
Use a systematic method.
Step One: Count the Normal Openings
Start
