Question 6
Bob plants crops in hexagonal garden plots. In the diagram, a heart means the two crops may be adjacent, while X means they must not be adjacent.

Bob has planted garlic in three plots as shown and is about to plant the remaining crops pictured on the right.


How many different arrangements of the remaining crops are possible?

Bob has planted garlic in three plots as shown and is about to plant the remaining crops pictured on the right.


How many different arrangements of the remaining crops are possible?