This problem concerns filling in two-by-N array with these two shapes:
An example of a 2x10 array filled with those shapes is given below.
You problem: how many different ways can you fill a 2x10 array with
such shapes? Hint: try doing 2x3, 2x4, and working up. The colors in
the picture don't matter, they are only there to make it easy to see
how the shapes are used.
Send your answer to email@example.com
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