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Published on Mar 4, 2014
Graeco-Latin Squares have applications in graph theory, scheduling, and finite geometries. Euler, Tarry, Parker, Bose, and Shrinkhande all investigated Graeco-Latin Squares. Sudoku is a subset of Graeco-Latin Squares. This quilt is a l0 by l0 and all l00 cells are unique---no repeats of cells anywhere in the quilt!