Test suite case 3 seems to be incorrect.
yeah, test case 3 should be [1 1 2 3 1 1 1 5 2 2] by my calculation
Sorry about that. Cut and paste fail.
I tried solving this in MATLAB & it gave correct answer for the 3rd test suite also
Back to basics 8 - Matrix Diagonals
String substitution, sub problem to cryptoMath
frame of the matrix
The sum of the numbers in the vector
Create a recurrence matrix for a vector of data
Construct a string from letters and counts
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