The problem statement is misleading. 'if x' and 'if isequal(x, true)' are different conditions.
Find the alphabetic word product
Back to basics 19 - character types
Number of 1s in a binary string
Switch matrix to a column vector
length of a vector
Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
Wayfinding 1 - crossing
Convert a substructure reference string into a valid definition structure for subsref and subsasgn
Order of things - 2
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