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                    PUZZLE 521
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              We seek order and pattern in all things
                   and often adjust our paradigm.

           What is the final number in this closed set. 

                    16, 21, 26, 26, 12, ___ 

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                    PUZZLE 522
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              We seek order and pattern in all things
                   and often adjust our paradigm.

           What is the next number in this series. 

                  1, 3, 8, 19, 42, 89, ____ 

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                    PUZZLE 523
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              We seek order and pattern in all things
                   and often adjust our paradigm.

            What is the next number in this series? 

              1, 3, 5, 4, 8, 9, 12, 17, 21, ____ 

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                    PUZZLE 524
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              We seek order and pattern in all things
                   and often adjust our paradigm.

        What are the missing letters in this closed set? 

              B, C, D, E, ____, I, K, ____, X 

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                    PUZZLE 525
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              We seek order and pattern in all things
                   and often adjust our paradigm.

        What are the two missing numbers in this series? 

          ___, 12, 10, 5, 7, 14, 12, 6, 8, 16, 14, ___ 


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