We seek order and pattern in all things
                and often adjust our paradigm.

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                         Puzzle #316
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            What is the next number in this series?

                    50, 48, 45, 40, 33, 22, ____, ...

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                         Puzzle #317
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            What is the next number in this series?

              2, 6, 5, 15, -3, -9, 7, 21, 4, ____

        
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                         Puzzle #318
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          What is the frist number in this closed set?

                      ____, 1, 0, 7, 7, 3, 4, 5

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                         Puzzle #319
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           What is the next number in this series?

              3, 3, 3, 9, 15, 27, 51, 93, ____, 315

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                         Puzzle #320
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             What are the missing letters that complete this closed set?

                     Y, O, U, I, ____, _____

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