Einstein Riddle Puzzle

You can't solve this problem. But don't be disappointed. It's Einstein's

You can't solve this problem. But don't be disappointed. It's Einstein's problem.

Remember logical expressions well. And, find the answer.

* Game features

-You have to think about the number of all cases that can fit horizontally/vertically.

-If there are many different cases, you need to establish a hypothesis and prove the hypothesis.

-Scores compete with everyone in the world. You can know your world rank.

* How to play

-It is a game that ends by placing items that will fit horizontally/vertically.

-Depending on the given problem, just touch the horizontal/vertical area and select an item.

-All items cannot be used repeatedly, and must be used only once.

-By selecting a problem, you can indicate what is not correct.

-It ends when all items are placed correctly.

Thank you.