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Pentomino Relations (881)
Instruction:
Place the nine supplied pentominoes into the nine grids. Each pentomino must be used exactly once. Pentominoes may not overlap; they may be rotated but not reflected. The relationship operators between the tiles describe the relationship betwen the number of cells occupied by pentominoes along that row (or column) on each side of the operator; for example, if each row segment next to an operator had two blackened cells, then the operator would be "=".