How do you figure out the puzzle ';Two by Two';?

I have recently gotten this puzzle called Two By Two by George Bredhorn. This HW is due tomorrow, and plz if anyone knows this please help!


Thank you! How do you figure out the puzzle ';Two by Two';?
We need to know what the puzzle is. This is not the psychic hot-line you know.


How do you figure out the puzzle ';Two by Two';?
it would help alot if u tell us the puzzle