Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
8819 -> 5
Interpolating on a string (the ASCII values) is an interesting idea even though the long interpolation string could be reduced by subtracting '0', but at the expense of a "longer" solution.
Given two strings, find the maximum overlap
Read a Soroban Abacus
Set some matrix elements to zero
Pull the variable y_correct from the Caller's Workspace
Return the first and last character of a string
Reverse the Words (not letters) of a String
Check to see if a Sudoku Puzzle is Solved
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