Test problem 21 is faulty.
It has been updated.
Test suite has crashed again plz fix
@ Nikolaos: are you sure it's the test suite and not a server error? If you get the following message, it is due to a temporary server problem, not a specific problem: "While evaluating the solution, the server encountered an error caused by temporary unavailability of MATLAB Service. Wait a few minutes for the MATLAB Service to return, and then rescore." If you are getting this error, simply try the problem again later or on a different day.
Find the palindrome
Number of toolboxes?
Create a square matrix of multiples
Multiply a column by a row
Sum the Digits of a Number
Evened up (or not)
Divisible by 7
Lights Out 1 - 5x5, 3 moves
Inscribed Pentagon? 2
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