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Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval).

Example input: [ 1 2 3; 4 5 6; 7 8 9]

Example output: [ 3 6 9; 2 5 8; 1 4 7]

Because of simplistic regexp tests (sorry), you shouldn't use variable names or strings composed of the outlawed function names.

68 correct solutions
80 incorrect solutions

Last solution submitted on Mar 17, 2015

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