Tim created another superb solution. The highlights are an elegant center of square's determination using ndgrid. The crux of his method is a convolution for each square not using "same" with an interesting centroid kernel. The comparison between all square convolutions for all rotations utilizes a concise norm metric function. The method should work on non-binary images. The best six matches from the 180x180 upper triangle error array are handily converted into the output format. Thank You Tim for this elegant solution.
Longest Divisor Run
The Hitchhiker's Guide to MATLAB
Find files with extension ext in the current directory
USC Fall 2012 ACM: Martian Pranks
Kaggle: Reverse Game of Life - Zoo of Stills and Oscillators
Create Circular Perfect Square Sequence
Chezz_020 Pawn Attack and Slaying King
Checkerz_000 Kamikazi Kings
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