A friend of mine got into a Rubik’s Cube in college. As a prank, we swapped the stickers on his cube and were amazed when he noticed it in a few seconds and cor

A friend of mine got into a Rubik’s Cube in college. As a prank, we swapped the stickers on his cube and were amazed when he noticed it in a few seconds and correctly identified what was swapped. Familiarity with the invariants