Please start every test case with "%%". Refer to https://au.mathworks.com/matlabcentral/cody/problems/1896-index-one-element-in-each-vector-of-an-array-along-a-given-dimension#comment_10372
Reindex a vector
Generate a vector like 1,2,2,3,3,3,4,4,4,4
multiply by three
Rotate array 90 degrees
Change string to number
Odd times 3
i forgot to use capital I
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