Design the Number puzzle game using JavaFx GUI library. Each level will display one crossword Math block. Use the following blocks for 4 levels of the games. Use the Next button to move to the next level. As a developer you have to make sure of the number validation. If user entered non-numeric value then program must raise InputMismatchException. Also, create a custom Exception named “NullValueException” to validate the number block. On the click of Next Button, if user left number block as null then program must raise NullValueException. The puzzle picture is attached below

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