I've tested all permutations, bainhome, and the test suite results are correct. Test case 4 is due to ABABA and BAAAB, which are two different cases. It is not possible to do the same with test case 5. Since A and B are repeated even times.
Back to basics 25 - Valid variable names
Rotate input square matrix 90 degrees CCW without rot90
Generate N equally spaced intervals between -L and L
Test if two numbers have the same digits
Sum of diagonals elements of a matrix
cos for boss?
Person of interest?
Compress strings (not springs)
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