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Example A
I added the street numbers in a star shape. I discovered that the first three digit pairs all added up to 7, the next three digit pairs all added up to 19, the next three digit pairs all added up to 31, the next three digit pairs added up to 43. I wrote the sequence down like this
7, 19, 31, 43, 55,
Then I noticed a pattern and that there was a difference of 12 between each number.

Example B
I also added in a star shape but I used an overlapping star shape. My first three digit pairs added up to 7, then 15, then 23, then 31, then 39 then 47, 55. The sequence looked like this
7, 15, 23, 31, 39, 47, 55
I noticed there was a pattern because there was a difference of 8 in the sequence.