The first test suite problem is troublesome because it requires only 3 moves, and the 3-move solution is not necessarily the first one it finds that has 6 moves or less.
...also, how does the assert(numel(moves)==6) work on the problem that has only 3 moves?
@William: the troublesome test case has been removed. Thanks for pointing that out.
some cases admit shorter solution ^^'
The Goldbach Conjecture, Part 2
Sum of first n terms of a harmonic progression
Return the first and last character of a string
ZigZag matrix with reflected format
Word Distance - Sum
Scrabble Scores - 13
Radiation Heat Transfer — View Factors (4)
Radiation Heat Transfer — View Factors (5)
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