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                         Puzzle #336
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           What are the missing letters in this set?
        
                ____, A, N, F, E, B, M, A, ____ 

Answers:
1)J, R 
Each three letters are short for the first three month of the year.
2)J, Y
_J_ A N F E B M A _Y_  - all months of the year
3)M, N
_M_ A N F E B M A _N_  - the pattern repeats

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                         Puzzle #337
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           What are the missing letters in this set?
        
        5, 15, 1115, 3115, 132115, 1113122115, _____________         
             
Answer:311311222115

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