Really fun problem, but the test case is totally wrong. :-(
glad you liked the problem, but the test case is correct just obfuscated.
Maximum running product for a string of numbers
Back to basics 8 - Matrix Diagonals
Number of 1s in a binary string
02 - Vector Variables 2
Strange Number Algorithms
Magic Concentric Circles
Convert a Cell Array into an Array
Convert vector datasets to plot with imagesc instead of scatter
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