Is the test suite broken? The first line sets the input to 141221242 for all of the tests.
It worked fine with me. Maybe it was fixed.
The first test case has been updated to not have global scope.
Check to see if a Sudoku Puzzle is Solved
Tell me the slope
Determine if a Given Number is a Triangle Number
Length of a short side
Must be in the front row...
With apologies to William Blake
Exponents in Factorials
Numbered lottery balls into cells
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