Here is the lookup table for a Caesar cipher with a right shift of 4:

Original: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Ciphered: E F G H I J K L M N O P Q R S T U V W X Y Z A B C D

To test this lookup table, let's use the sample text "HELLO WORLD".

Applying the cipher, we get:

H -> L E -> I L -> P L -> P O -> S

W -> A O -> S R -> V L -> P D -> H

So the encrypted text is "LIPPS ASVPH".

Please let me know if there's anything else I can help you with.
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