Perhaps a new problem group dealing with string arrays, character arrays, and cell arrays of character vectors can be added on Cody.
@"Peng Lui": The first Challenge Group involving strings and the like (Strings I) has been posted.
And for the poor souls who don't have 2016b...
This solution no longer passes as of 8/19/2017.
surface of a spherical planet
Return unique values without sorting
Rotate a Matrix by 90 degrees
Relative ratio of "1" in binary number
Natural numbers in string form
Twins in a Window
Make a run-length companion vector
Crossing to Kissing - Untangle the Lines
Would Homer Like It?
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